Home / 10,613.80-14,646.88-6,137.97

Finding the Fourth Proportional to 10,613.80, 14,646.88 and 6,137.97

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Solution

The fourth proportional to 10,613.80, 14,646.88 and 6,137.97 is: 8,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.80 : 14,646.88 = 6,137.97 : x
  2. Step 2: Convert to fraction form
    10,613.80/14,646.88 = 6,137.97/x
  3. Step 3: Cross multiply
    10,613.80x = 14,646.88 × 6,137.97
  4. Step 4: Simplify right side
    10,613.80x = 89,902,036.80
  5. Step 5: Solve for x
    x = 89,902,036.80/10,613.80
  6. Step 6: Final answer
    x = 8,470.30

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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.