Home / 15,146.42-22,723.50-8,911.58

Finding the Fourth Proportional to 15,146.42, 22,723.50 and 8,911.58

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Solution

The fourth proportional to 15,146.42, 22,723.50 and 8,911.58 is: 13,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.42 : 22,723.50 = 8,911.58 : x
  2. Step 2: Convert to fraction form
    15,146.42/22,723.50 = 8,911.58/x
  3. Step 3: Cross multiply
    15,146.42x = 22,723.50 × 8,911.58
  4. Step 4: Simplify right side
    15,146.42x = 202,502,288.13
  5. Step 5: Solve for x
    x = 202,502,288.13/15,146.42
  6. Step 6: Final answer
    x = 13,369.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.