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Finding the Fourth Proportional to 15,655.71, 23,491.29 and 7,334.29

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Solution

The fourth proportional to 15,655.71, 23,491.29 and 7,334.29 is: 11,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.71 : 23,491.29 = 7,334.29 : x
  2. Step 2: Convert to fraction form
    15,655.71/23,491.29 = 7,334.29/x
  3. Step 3: Cross multiply
    15,655.71x = 23,491.29 × 7,334.29
  4. Step 4: Simplify right side
    15,655.71x = 172,291,933.33
  5. Step 5: Solve for x
    x = 172,291,933.33/15,655.71
  6. Step 6: Final answer
    x = 11,005.05

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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.