Home / 12,181.68-18,248.16-5,598.84

Finding the Fourth Proportional to 12,181.68, 18,248.16 and 5,598.84

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Solution

The fourth proportional to 12,181.68, 18,248.16 and 5,598.84 is: 8,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.68 : 18,248.16 = 5,598.84 : x
  2. Step 2: Convert to fraction form
    12,181.68/18,248.16 = 5,598.84/x
  3. Step 3: Cross multiply
    12,181.68x = 18,248.16 × 5,598.84
  4. Step 4: Simplify right side
    12,181.68x = 102,168,528.13
  5. Step 5: Solve for x
    x = 102,168,528.13/12,181.68
  6. Step 6: Final answer
    x = 8,387.06

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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.