Home / 15,383.40-23,061.24-5,520.35

Finding the Fourth Proportional to 15,383.40, 23,061.24 and 5,520.35

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Solution

The fourth proportional to 15,383.40, 23,061.24 and 5,520.35 is: 8,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.40 : 23,061.24 = 5,520.35 : x
  2. Step 2: Convert to fraction form
    15,383.40/23,061.24 = 5,520.35/x
  3. Step 3: Cross multiply
    15,383.40x = 23,061.24 × 5,520.35
  4. Step 4: Simplify right side
    15,383.40x = 127,306,000.93
  5. Step 5: Solve for x
    x = 127,306,000.93/15,383.40
  6. Step 6: Final answer
    x = 8,275.54

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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.