Home / 15,825.44-23,752.56-8,436.20

Finding the Fourth Proportional to 15,825.44, 23,752.56 and 8,436.20

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Solution

The fourth proportional to 15,825.44, 23,752.56 and 8,436.20 is: 12,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.44 : 23,752.56 = 8,436.20 : x
  2. Step 2: Convert to fraction form
    15,825.44/23,752.56 = 8,436.20/x
  3. Step 3: Cross multiply
    15,825.44x = 23,752.56 × 8,436.20
  4. Step 4: Simplify right side
    15,825.44x = 200,381,346.67
  5. Step 5: Solve for x
    x = 200,381,346.67/15,825.44
  6. Step 6: Final answer
    x = 12,661.98

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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.