Home / 15,307.46-21,124.30-8,593.72

Finding the Fourth Proportional to 15,307.46, 21,124.30 and 8,593.72

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Solution

The fourth proportional to 15,307.46, 21,124.30 and 8,593.72 is: 11,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.46 : 21,124.30 = 8,593.72 : x
  2. Step 2: Convert to fraction form
    15,307.46/21,124.30 = 8,593.72/x
  3. Step 3: Cross multiply
    15,307.46x = 21,124.30 × 8,593.72
  4. Step 4: Simplify right side
    15,307.46x = 181,536,319.40
  5. Step 5: Solve for x
    x = 181,536,319.40/15,307.46
  6. Step 6: Final answer
    x = 11,859.34

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.