Home / 10,877.11-15,002.08-7,290.95

Finding the Fourth Proportional to 10,877.11, 15,002.08 and 7,290.95

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Solution

The fourth proportional to 10,877.11, 15,002.08 and 7,290.95 is: 10,055.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.11 : 15,002.08 = 7,290.95 : x
  2. Step 2: Convert to fraction form
    10,877.11/15,002.08 = 7,290.95/x
  3. Step 3: Cross multiply
    10,877.11x = 15,002.08 × 7,290.95
  4. Step 4: Simplify right side
    10,877.11x = 109,379,321.94
  5. Step 5: Solve for x
    x = 109,379,321.94/10,877.11
  6. Step 6: Final answer
    x = 10,055.92

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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.