Home / 18,343.75-27,515.67-6,656.98

Finding the Fourth Proportional to 18,343.75, 27,515.67 and 6,656.98

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Solution

The fourth proportional to 18,343.75, 27,515.67 and 6,656.98 is: 9,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.75 : 27,515.67 = 6,656.98 : x
  2. Step 2: Convert to fraction form
    18,343.75/27,515.67 = 6,656.98/x
  3. Step 3: Cross multiply
    18,343.75x = 27,515.67 × 6,656.98
  4. Step 4: Simplify right side
    18,343.75x = 183,171,264.88
  5. Step 5: Solve for x
    x = 183,171,264.88/18,343.75
  6. Step 6: Final answer
    x = 9,985.49

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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.