Home / 10,239.29-14,129.96-6,702.42

Finding the Fourth Proportional to 10,239.29, 14,129.96 and 6,702.42

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Solution

The fourth proportional to 10,239.29, 14,129.96 and 6,702.42 is: 9,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.29 : 14,129.96 = 6,702.42 : x
  2. Step 2: Convert to fraction form
    10,239.29/14,129.96 = 6,702.42/x
  3. Step 3: Cross multiply
    10,239.29x = 14,129.96 × 6,702.42
  4. Step 4: Simplify right side
    10,239.29x = 94,704,926.50
  5. Step 5: Solve for x
    x = 94,704,926.50/10,239.29
  6. Step 6: Final answer
    x = 9,249.17

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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.