Home / 10,124.90-13,971.69-6,347.92

Finding the Fourth Proportional to 10,124.90, 13,971.69 and 6,347.92

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Solution

The fourth proportional to 10,124.90, 13,971.69 and 6,347.92 is: 8,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.90 : 13,971.69 = 6,347.92 : x
  2. Step 2: Convert to fraction form
    10,124.90/13,971.69 = 6,347.92/x
  3. Step 3: Cross multiply
    10,124.90x = 13,971.69 × 6,347.92
  4. Step 4: Simplify right side
    10,124.90x = 88,691,135.46
  5. Step 5: Solve for x
    x = 88,691,135.46/10,124.90
  6. Step 6: Final answer
    x = 8,759.70

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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.