Home / 12,513.18-17,261.19-11,244.72

Finding the Fourth Proportional to 12,513.18, 17,261.19 and 11,244.72

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Solution

The fourth proportional to 12,513.18, 17,261.19 and 11,244.72 is: 15,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.18 : 17,261.19 = 11,244.72 : x
  2. Step 2: Convert to fraction form
    12,513.18/17,261.19 = 11,244.72/x
  3. Step 3: Cross multiply
    12,513.18x = 17,261.19 × 11,244.72
  4. Step 4: Simplify right side
    12,513.18x = 194,097,248.42
  5. Step 5: Solve for x
    x = 194,097,248.42/12,513.18
  6. Step 6: Final answer
    x = 15,511.42

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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.