Home / 10,272.24-14,160.96-6,909.12

Finding the Fourth Proportional to 10,272.24, 14,160.96 and 6,909.12

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Solution

The fourth proportional to 10,272.24, 14,160.96 and 6,909.12 is: 9,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.24 : 14,160.96 = 6,909.12 : x
  2. Step 2: Convert to fraction form
    10,272.24/14,160.96 = 6,909.12/x
  3. Step 3: Cross multiply
    10,272.24x = 14,160.96 × 6,909.12
  4. Step 4: Simplify right side
    10,272.24x = 97,839,771.96
  5. Step 5: Solve for x
    x = 97,839,771.96/10,272.24
  6. Step 6: Final answer
    x = 9,524.68

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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.