Home / 11,254.10-15,531.60-6,538.10

Finding the Fourth Proportional to 11,254.10, 15,531.60 and 6,538.10

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Solution

The fourth proportional to 11,254.10, 15,531.60 and 6,538.10 is: 9,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.10 : 15,531.60 = 6,538.10 : x
  2. Step 2: Convert to fraction form
    11,254.10/15,531.60 = 6,538.10/x
  3. Step 3: Cross multiply
    11,254.10x = 15,531.60 × 6,538.10
  4. Step 4: Simplify right side
    11,254.10x = 101,547,153.96
  5. Step 5: Solve for x
    x = 101,547,153.96/11,254.10
  6. Step 6: Final answer
    x = 9,023.13

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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.