Home / 15,976.28-23,929.50-13,171.46

Finding the Fourth Proportional to 15,976.28, 23,929.50 and 13,171.46

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Solution

The fourth proportional to 15,976.28, 23,929.50 and 13,171.46 is: 19,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.28 : 23,929.50 = 13,171.46 : x
  2. Step 2: Convert to fraction form
    15,976.28/23,929.50 = 13,171.46/x
  3. Step 3: Cross multiply
    15,976.28x = 23,929.50 × 13,171.46
  4. Step 4: Simplify right side
    15,976.28x = 315,186,332.42
  5. Step 5: Solve for x
    x = 315,186,332.42/15,976.28
  6. Step 6: Final answer
    x = 19,728.39

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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.