Home / 11,140.71-15,373.90-6,294.98

Finding the Fourth Proportional to 11,140.71, 15,373.90 and 6,294.98

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Solution

The fourth proportional to 11,140.71, 15,373.90 and 6,294.98 is: 8,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.71 : 15,373.90 = 6,294.98 : x
  2. Step 2: Convert to fraction form
    11,140.71/15,373.90 = 6,294.98/x
  3. Step 3: Cross multiply
    11,140.71x = 15,373.90 × 6,294.98
  4. Step 4: Simplify right side
    11,140.71x = 96,778,439.33
  5. Step 5: Solve for x
    x = 96,778,439.33/11,140.71
  6. Step 6: Final answer
    x = 8,686.92

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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.