Home / 15,487.98-23,228.46-4,392.12

Finding the Fourth Proportional to 15,487.98, 23,228.46 and 4,392.12

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Solution

The fourth proportional to 15,487.98, 23,228.46 and 4,392.12 is: 6,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487.98 : 23,228.46 = 4,392.12 : x
  2. Step 2: Convert to fraction form
    15,487.98/23,228.46 = 4,392.12/x
  3. Step 3: Cross multiply
    15,487.98x = 23,228.46 × 4,392.12
  4. Step 4: Simplify right side
    15,487.98x = 102,022,183.74
  5. Step 5: Solve for x
    x = 102,022,183.74/15,487.98
  6. Step 6: Final answer
    x = 6,587.18

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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.