Home / 9,174.18-12,659.65-5,397.49

Finding the Fourth Proportional to 9,174.18, 12,659.65 and 5,397.49

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Solution

The fourth proportional to 9,174.18, 12,659.65 and 5,397.49 is: 7,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.18 : 12,659.65 = 5,397.49 : x
  2. Step 2: Convert to fraction form
    9,174.18/12,659.65 = 5,397.49/x
  3. Step 3: Cross multiply
    9,174.18x = 12,659.65 × 5,397.49
  4. Step 4: Simplify right side
    9,174.18x = 68,330,334.28
  5. Step 5: Solve for x
    x = 68,330,334.28/9,174.18
  6. Step 6: Final answer
    x = 7,448.11

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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.