Home / 15,055.68-22,599.60-12,743.92

Finding the Fourth Proportional to 15,055.68, 22,599.60 and 12,743.92

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Solution

The fourth proportional to 15,055.68, 22,599.60 and 12,743.92 is: 19,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055.68 : 22,599.60 = 12,743.92 : x
  2. Step 2: Convert to fraction form
    15,055.68/22,599.60 = 12,743.92/x
  3. Step 3: Cross multiply
    15,055.68x = 22,599.60 × 12,743.92
  4. Step 4: Simplify right side
    15,055.68x = 288,007,494.43
  5. Step 5: Solve for x
    x = 288,007,494.43/15,055.68
  6. Step 6: Final answer
    x = 19,129.49

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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.