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Finding the Fourth Proportional to 12,373.11, 17,073.03 and 7,066.80

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Solution

The fourth proportional to 12,373.11, 17,073.03 and 7,066.80 is: 9,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.11 : 17,073.03 = 7,066.80 : x
  2. Step 2: Convert to fraction form
    12,373.11/17,073.03 = 7,066.80/x
  3. Step 3: Cross multiply
    12,373.11x = 17,073.03 × 7,066.80
  4. Step 4: Simplify right side
    12,373.11x = 120,651,688.40
  5. Step 5: Solve for x
    x = 120,651,688.40/12,373.11
  6. Step 6: Final answer
    x = 9,751.12

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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.