Home / 10,404.18-14,357.79-6,424.38

Finding the Fourth Proportional to 10,404.18, 14,357.79 and 6,424.38

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Solution

The fourth proportional to 10,404.18, 14,357.79 and 6,424.38 is: 8,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404.18 : 14,357.79 = 6,424.38 : x
  2. Step 2: Convert to fraction form
    10,404.18/14,357.79 = 6,424.38/x
  3. Step 3: Cross multiply
    10,404.18x = 14,357.79 × 6,424.38
  4. Step 4: Simplify right side
    10,404.18x = 92,239,898.92
  5. Step 5: Solve for x
    x = 92,239,898.92/10,404.18
  6. Step 6: Final answer
    x = 8,865.66

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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.