Home / 8,932.34-12,290.40-7,333.11

Finding the Fourth Proportional to 8,932.34, 12,290.40 and 7,333.11

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Solution

The fourth proportional to 8,932.34, 12,290.40 and 7,333.11 is: 10,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.34 : 12,290.40 = 7,333.11 : x
  2. Step 2: Convert to fraction form
    8,932.34/12,290.40 = 7,333.11/x
  3. Step 3: Cross multiply
    8,932.34x = 12,290.40 × 7,333.11
  4. Step 4: Simplify right side
    8,932.34x = 90,126,855.14
  5. Step 5: Solve for x
    x = 90,126,855.14/8,932.34
  6. Step 6: Final answer
    x = 10,089.95

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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.