Home / 20,325.47-30,490.74-6,995.03

Finding the Fourth Proportional to 20,325.47, 30,490.74 and 6,995.03

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Solution

The fourth proportional to 20,325.47, 30,490.74 and 6,995.03 is: 10,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.47 : 30,490.74 = 6,995.03 : x
  2. Step 2: Convert to fraction form
    20,325.47/30,490.74 = 6,995.03/x
  3. Step 3: Cross multiply
    20,325.47x = 30,490.74 × 6,995.03
  4. Step 4: Simplify right side
    20,325.47x = 213,283,488.57
  5. Step 5: Solve for x
    x = 213,283,488.57/20,325.47
  6. Step 6: Final answer
    x = 10,493.41

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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.