Home / 18,423.60-25,423.32-10,039.92

Finding the Fourth Proportional to 18,423.60, 25,423.32 and 10,039.92

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Solution

The fourth proportional to 18,423.60, 25,423.32 and 10,039.92 is: 13,854.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.60 : 25,423.32 = 10,039.92 : x
  2. Step 2: Convert to fraction form
    18,423.60/25,423.32 = 10,039.92/x
  3. Step 3: Cross multiply
    18,423.60x = 25,423.32 × 10,039.92
  4. Step 4: Simplify right side
    18,423.60x = 255,248,098.93
  5. Step 5: Solve for x
    x = 255,248,098.93/18,423.60
  6. Step 6: Final answer
    x = 13,854.41

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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.