Home / 9,154.24-12,632.70-5,175.20

Finding the Fourth Proportional to 9,154.24, 12,632.70 and 5,175.20

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Solution

The fourth proportional to 9,154.24, 12,632.70 and 5,175.20 is: 7,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,154.24 : 12,632.70 = 5,175.20 : x
  2. Step 2: Convert to fraction form
    9,154.24/12,632.70 = 5,175.20/x
  3. Step 3: Cross multiply
    9,154.24x = 12,632.70 × 5,175.20
  4. Step 4: Simplify right side
    9,154.24x = 65,376,749.04
  5. Step 5: Solve for x
    x = 65,376,749.04/9,154.24
  6. Step 6: Final answer
    x = 7,141.69

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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.