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Finding the Fourth Proportional to 15,478.62, 23,181.03 and 8,448.11

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Solution

The fourth proportional to 15,478.62, 23,181.03 and 8,448.11 is: 12,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.62 : 23,181.03 = 8,448.11 : x
  2. Step 2: Convert to fraction form
    15,478.62/23,181.03 = 8,448.11/x
  3. Step 3: Cross multiply
    15,478.62x = 23,181.03 × 8,448.11
  4. Step 4: Simplify right side
    15,478.62x = 195,835,775.45
  5. Step 5: Solve for x
    x = 195,835,775.45/15,478.62
  6. Step 6: Final answer
    x = 12,652.02

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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.