Home / 10,656.91-14,708.42-6,681.43

Finding the Fourth Proportional to 10,656.91, 14,708.42 and 6,681.43

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Solution

The fourth proportional to 10,656.91, 14,708.42 and 6,681.43 is: 9,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.91 : 14,708.42 = 6,681.43 : x
  2. Step 2: Convert to fraction form
    10,656.91/14,708.42 = 6,681.43/x
  3. Step 3: Cross multiply
    10,656.91x = 14,708.42 × 6,681.43
  4. Step 4: Simplify right side
    10,656.91x = 98,273,278.64
  5. Step 5: Solve for x
    x = 98,273,278.64/10,656.91
  6. Step 6: Final answer
    x = 9,221.55

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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.