Home / 14,124.47-21,269.32-10,452.61

Finding the Fourth Proportional to 14,124.47, 21,269.32 and 10,452.61

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Solution

The fourth proportional to 14,124.47, 21,269.32 and 10,452.61 is: 15,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.47 : 21,269.32 = 10,452.61 : x
  2. Step 2: Convert to fraction form
    14,124.47/21,269.32 = 10,452.61/x
  3. Step 3: Cross multiply
    14,124.47x = 21,269.32 × 10,452.61
  4. Step 4: Simplify right side
    14,124.47x = 222,319,906.93
  5. Step 5: Solve for x
    x = 222,319,906.93/14,124.47
  6. Step 6: Final answer
    x = 15,740.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.