Home / 10,429.68-14,394.80-6,237.92

Finding the Fourth Proportional to 10,429.68, 14,394.80 and 6,237.92

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Solution

The fourth proportional to 10,429.68, 14,394.80 and 6,237.92 is: 8,609.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.68 : 14,394.80 = 6,237.92 : x
  2. Step 2: Convert to fraction form
    10,429.68/14,394.80 = 6,237.92/x
  3. Step 3: Cross multiply
    10,429.68x = 14,394.80 × 6,237.92
  4. Step 4: Simplify right side
    10,429.68x = 89,793,610.82
  5. Step 5: Solve for x
    x = 89,793,610.82/10,429.68
  6. Step 6: Final answer
    x = 8,609.43

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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.