Home / 10,181.55-15,272.18-5,248.35

Finding the Fourth Proportional to 10,181.55, 15,272.18 and 5,248.35

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Solution

The fourth proportional to 10,181.55, 15,272.18 and 5,248.35 is: 7,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.55 : 15,272.18 = 5,248.35 : x
  2. Step 2: Convert to fraction form
    10,181.55/15,272.18 = 5,248.35/x
  3. Step 3: Cross multiply
    10,181.55x = 15,272.18 × 5,248.35
  4. Step 4: Simplify right side
    10,181.55x = 80,153,739.34
  5. Step 5: Solve for x
    x = 80,153,739.34/10,181.55
  6. Step 6: Final answer
    x = 7,872.45

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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.