Home / 10,934.80-15,089.12-6,154.50

Finding the Fourth Proportional to 10,934.80, 15,089.12 and 6,154.50

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Solution

The fourth proportional to 10,934.80, 15,089.12 and 6,154.50 is: 8,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.80 : 15,089.12 = 6,154.50 : x
  2. Step 2: Convert to fraction form
    10,934.80/15,089.12 = 6,154.50/x
  3. Step 3: Cross multiply
    10,934.80x = 15,089.12 × 6,154.50
  4. Step 4: Simplify right side
    10,934.80x = 92,865,989.04
  5. Step 5: Solve for x
    x = 92,865,989.04/10,934.80
  6. Step 6: Final answer
    x = 8,492.70

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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.