Home / 10,934.20-16,401.30-10,869.40

Finding the Fourth Proportional to 10,934.20, 16,401.30 and 10,869.40

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Solution

The fourth proportional to 10,934.20, 16,401.30 and 10,869.40 is: 16,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.20 : 16,401.30 = 10,869.40 : x
  2. Step 2: Convert to fraction form
    10,934.20/16,401.30 = 10,869.40/x
  3. Step 3: Cross multiply
    10,934.20x = 16,401.30 × 10,869.40
  4. Step 4: Simplify right side
    10,934.20x = 178,272,290.22
  5. Step 5: Solve for x
    x = 178,272,290.22/10,934.20
  6. Step 6: Final answer
    x = 16,304.10

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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.