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Finding the Fourth Proportional to 15,767.29, 23,639.99 and 7,440.29

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Solution

The fourth proportional to 15,767.29, 23,639.99 and 7,440.29 is: 11,155.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.29 : 23,639.99 = 7,440.29 : x
  2. Step 2: Convert to fraction form
    15,767.29/23,639.99 = 7,440.29/x
  3. Step 3: Cross multiply
    15,767.29x = 23,639.99 × 7,440.29
  4. Step 4: Simplify right side
    15,767.29x = 175,888,263.00
  5. Step 5: Solve for x
    x = 175,888,263.00/15,767.29
  6. Step 6: Final answer
    x = 11,155.27

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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.