Home / 18,543.62-25,590.05-10,045.55

Finding the Fourth Proportional to 18,543.62, 25,590.05 and 10,045.55

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Solution

The fourth proportional to 18,543.62, 25,590.05 and 10,045.55 is: 13,862.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.62 : 25,590.05 = 10,045.55 : x
  2. Step 2: Convert to fraction form
    18,543.62/25,590.05 = 10,045.55/x
  3. Step 3: Cross multiply
    18,543.62x = 25,590.05 × 10,045.55
  4. Step 4: Simplify right side
    18,543.62x = 257,066,178.20
  5. Step 5: Solve for x
    x = 257,066,178.20/18,543.62
  6. Step 6: Final answer
    x = 13,862.78

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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.