Home / 12,437.04-18,655.56-11,676.72

Finding the Fourth Proportional to 12,437.04, 18,655.56 and 11,676.72

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Solution

The fourth proportional to 12,437.04, 18,655.56 and 11,676.72 is: 17,515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.04 : 18,655.56 = 11,676.72 : x
  2. Step 2: Convert to fraction form
    12,437.04/18,655.56 = 11,676.72/x
  3. Step 3: Cross multiply
    12,437.04x = 18,655.56 × 11,676.72
  4. Step 4: Simplify right side
    12,437.04x = 217,835,750.56
  5. Step 5: Solve for x
    x = 217,835,750.56/12,437.04
  6. Step 6: Final answer
    x = 17,515.08

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.