Home / 15,990.47-23,985.72-5,997.50

Finding the Fourth Proportional to 15,990.47, 23,985.72 and 5,997.50

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Solution

The fourth proportional to 15,990.47, 23,985.72 and 5,997.50 is: 8,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.47 : 23,985.72 = 5,997.50 : x
  2. Step 2: Convert to fraction form
    15,990.47/23,985.72 = 5,997.50/x
  3. Step 3: Cross multiply
    15,990.47x = 23,985.72 × 5,997.50
  4. Step 4: Simplify right side
    15,990.47x = 143,854,355.70
  5. Step 5: Solve for x
    x = 143,854,355.70/15,990.47
  6. Step 6: Final answer
    x = 8,996.26

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.