Home / 15,407.22-23,105.16-5,543.85

Finding the Fourth Proportional to 15,407.22, 23,105.16 and 5,543.85

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Solution

The fourth proportional to 15,407.22, 23,105.16 and 5,543.85 is: 8,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,407.22 : 23,105.16 = 5,543.85 : x
  2. Step 2: Convert to fraction form
    15,407.22/23,105.16 = 5,543.85/x
  3. Step 3: Cross multiply
    15,407.22x = 23,105.16 × 5,543.85
  4. Step 4: Simplify right side
    15,407.22x = 128,091,541.27
  5. Step 5: Solve for x
    x = 128,091,541.27/15,407.22
  6. Step 6: Final answer
    x = 8,313.73

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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.