Home / 12,409.13-17,126.05-7,373.39

Finding the Fourth Proportional to 12,409.13, 17,126.05 and 7,373.39

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Solution

The fourth proportional to 12,409.13, 17,126.05 and 7,373.39 is: 10,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,409.13 : 17,126.05 = 7,373.39 : x
  2. Step 2: Convert to fraction form
    12,409.13/17,126.05 = 7,373.39/x
  3. Step 3: Cross multiply
    12,409.13x = 17,126.05 × 7,373.39
  4. Step 4: Simplify right side
    12,409.13x = 126,277,045.81
  5. Step 5: Solve for x
    x = 126,277,045.81/12,409.13
  6. Step 6: Final answer
    x = 10,176.14

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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.