Home / 15,891.79-23,831.59-5,358.96

Finding the Fourth Proportional to 15,891.79, 23,831.59 and 5,358.96

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Solution

The fourth proportional to 15,891.79, 23,831.59 and 5,358.96 is: 8,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891.79 : 23,831.59 = 5,358.96 : x
  2. Step 2: Convert to fraction form
    15,891.79/23,831.59 = 5,358.96/x
  3. Step 3: Cross multiply
    15,891.79x = 23,831.59 × 5,358.96
  4. Step 4: Simplify right side
    15,891.79x = 127,712,613.52
  5. Step 5: Solve for x
    x = 127,712,613.52/15,891.79
  6. Step 6: Final answer
    x = 8,036.39

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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.