Home / 13,354.08-18,422.76-8,045.88

Finding the Fourth Proportional to 13,354.08, 18,422.76 and 8,045.88

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Solution

The fourth proportional to 13,354.08, 18,422.76 and 8,045.88 is: 11,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.08 : 18,422.76 = 8,045.88 : x
  2. Step 2: Convert to fraction form
    13,354.08/18,422.76 = 8,045.88/x
  3. Step 3: Cross multiply
    13,354.08x = 18,422.76 × 8,045.88
  4. Step 4: Simplify right side
    13,354.08x = 148,227,316.23
  5. Step 5: Solve for x
    x = 148,227,316.23/13,354.08
  6. Step 6: Final answer
    x = 11,099.78

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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.