Home / 8,838.15-13,257.23-7,390.95

Finding the Fourth Proportional to 8,838.15, 13,257.23 and 7,390.95

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Solution

The fourth proportional to 8,838.15, 13,257.23 and 7,390.95 is: 11,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.15 : 13,257.23 = 7,390.95 : x
  2. Step 2: Convert to fraction form
    8,838.15/13,257.23 = 7,390.95/x
  3. Step 3: Cross multiply
    8,838.15x = 13,257.23 × 7,390.95
  4. Step 4: Simplify right side
    8,838.15x = 97,983,487.11
  5. Step 5: Solve for x
    x = 97,983,487.11/8,838.15
  6. Step 6: Final answer
    x = 11,086.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.