Home / 10,677.12-14,741.70-6,909.42

Finding the Fourth Proportional to 10,677.12, 14,741.70 and 6,909.42

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Solution

The fourth proportional to 10,677.12, 14,741.70 and 6,909.42 is: 9,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.12 : 14,741.70 = 6,909.42 : x
  2. Step 2: Convert to fraction form
    10,677.12/14,741.70 = 6,909.42/x
  3. Step 3: Cross multiply
    10,677.12x = 14,741.70 × 6,909.42
  4. Step 4: Simplify right side
    10,677.12x = 101,856,596.81
  5. Step 5: Solve for x
    x = 101,856,596.81/10,677.12
  6. Step 6: Final answer
    x = 9,539.71

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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.