Home / 16,423.15-22,637.32-12,831.84

Finding the Fourth Proportional to 16,423.15, 22,637.32 and 12,831.84

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Solution

The fourth proportional to 16,423.15, 22,637.32 and 12,831.84 is: 17,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423.15 : 22,637.32 = 12,831.84 : x
  2. Step 2: Convert to fraction form
    16,423.15/22,637.32 = 12,831.84/x
  3. Step 3: Cross multiply
    16,423.15x = 22,637.32 × 12,831.84
  4. Step 4: Simplify right side
    16,423.15x = 290,478,290.92
  5. Step 5: Solve for x
    x = 290,478,290.92/16,423.15
  6. Step 6: Final answer
    x = 17,687.13

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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.