Home / 10,934.11-15,089.12-6,218.29

Finding the Fourth Proportional to 10,934.11, 15,089.12 and 6,218.29

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Solution

The fourth proportional to 10,934.11, 15,089.12 and 6,218.29 is: 8,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.11 : 15,089.12 = 6,218.29 : x
  2. Step 2: Convert to fraction form
    10,934.11/15,089.12 = 6,218.29/x
  3. Step 3: Cross multiply
    10,934.11x = 15,089.12 × 6,218.29
  4. Step 4: Simplify right side
    10,934.11x = 93,828,524.00
  5. Step 5: Solve for x
    x = 93,828,524.00/10,934.11
  6. Step 6: Final answer
    x = 8,581.27

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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.