Home / 12,537.79-17,305.85-7,236.14

Finding the Fourth Proportional to 12,537.79, 17,305.85 and 7,236.14

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Solution

The fourth proportional to 12,537.79, 17,305.85 and 7,236.14 is: 9,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.79 : 17,305.85 = 7,236.14 : x
  2. Step 2: Convert to fraction form
    12,537.79/17,305.85 = 7,236.14/x
  3. Step 3: Cross multiply
    12,537.79x = 17,305.85 × 7,236.14
  4. Step 4: Simplify right side
    12,537.79x = 125,227,484.98
  5. Step 5: Solve for x
    x = 125,227,484.98/12,537.79
  6. Step 6: Final answer
    x = 9,988.01

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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.