Home / 12,461.67-17,197.13-7,084.14

Finding the Fourth Proportional to 12,461.67, 17,197.13 and 7,084.14

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Solution

The fourth proportional to 12,461.67, 17,197.13 and 7,084.14 is: 9,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.67 : 17,197.13 = 7,084.14 : x
  2. Step 2: Convert to fraction form
    12,461.67/17,197.13 = 7,084.14/x
  3. Step 3: Cross multiply
    12,461.67x = 17,197.13 × 7,084.14
  4. Step 4: Simplify right side
    12,461.67x = 121,826,803.17
  5. Step 5: Solve for x
    x = 121,826,803.17/12,461.67
  6. Step 6: Final answer
    x = 9,776.12

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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.