Home / 15,966.87-23,938.61-5,434.07

Finding the Fourth Proportional to 15,966.87, 23,938.61 and 5,434.07

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Solution

The fourth proportional to 15,966.87, 23,938.61 and 5,434.07 is: 8,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.87 : 23,938.61 = 5,434.07 : x
  2. Step 2: Convert to fraction form
    15,966.87/23,938.61 = 5,434.07/x
  3. Step 3: Cross multiply
    15,966.87x = 23,938.61 × 5,434.07
  4. Step 4: Simplify right side
    15,966.87x = 130,083,935.58
  5. Step 5: Solve for x
    x = 130,083,935.58/15,966.87
  6. Step 6: Final answer
    x = 8,147.12

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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.