Home / 15,439.71-23,159.55-3,752.85

Finding the Fourth Proportional to 15,439.71, 23,159.55 and 3,752.85

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Solution

The fourth proportional to 15,439.71, 23,159.55 and 3,752.85 is: 5,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.71 : 23,159.55 = 3,752.85 : x
  2. Step 2: Convert to fraction form
    15,439.71/23,159.55 = 3,752.85/x
  3. Step 3: Cross multiply
    15,439.71x = 23,159.55 × 3,752.85
  4. Step 4: Simplify right side
    15,439.71x = 86,914,317.22
  5. Step 5: Solve for x
    x = 86,914,317.22/15,439.71
  6. Step 6: Final answer
    x = 5,629.27

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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.