Home / 11,008.05-15,191.35-6,531.74

Finding the Fourth Proportional to 11,008.05, 15,191.35 and 6,531.74

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Solution

The fourth proportional to 11,008.05, 15,191.35 and 6,531.74 is: 9,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.05 : 15,191.35 = 6,531.74 : x
  2. Step 2: Convert to fraction form
    11,008.05/15,191.35 = 6,531.74/x
  3. Step 3: Cross multiply
    11,008.05x = 15,191.35 × 6,531.74
  4. Step 4: Simplify right side
    11,008.05x = 99,225,913.13
  5. Step 5: Solve for x
    x = 99,225,913.13/11,008.05
  6. Step 6: Final answer
    x = 9,013.94

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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.