Home / 8,436.06-12,637.16-7,747.11

Finding the Fourth Proportional to 8,436.06, 12,637.16 and 7,747.11

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Solution

The fourth proportional to 8,436.06, 12,637.16 and 7,747.11 is: 11,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.06 : 12,637.16 = 7,747.11 : x
  2. Step 2: Convert to fraction form
    8,436.06/12,637.16 = 7,747.11/x
  3. Step 3: Cross multiply
    8,436.06x = 12,637.16 × 7,747.11
  4. Step 4: Simplify right side
    8,436.06x = 97,901,468.61
  5. Step 5: Solve for x
    x = 97,901,468.61/8,436.06
  6. Step 6: Final answer
    x = 11,605.12

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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.