Home / 16,468.40-22,718.52-15,831.87

Finding the Fourth Proportional to 16,468.40, 22,718.52 and 15,831.87

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Solution

The fourth proportional to 16,468.40, 22,718.52 and 15,831.87 is: 21,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,468.40 : 22,718.52 = 15,831.87 : x
  2. Step 2: Convert to fraction form
    16,468.40/22,718.52 = 15,831.87/x
  3. Step 3: Cross multiply
    16,468.40x = 22,718.52 × 15,831.87
  4. Step 4: Simplify right side
    16,468.40x = 359,676,655.23
  5. Step 5: Solve for x
    x = 359,676,655.23/16,468.40
  6. Step 6: Final answer
    x = 21,840.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.