Home / 12,248.60-18,377.70-4,458.20

Finding the Fourth Proportional to 12,248.60, 18,377.70 and 4,458.20

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Solution

The fourth proportional to 12,248.60, 18,377.70 and 4,458.20 is: 6,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.60 : 18,377.70 = 4,458.20 : x
  2. Step 2: Convert to fraction form
    12,248.60/18,377.70 = 4,458.20/x
  3. Step 3: Cross multiply
    12,248.60x = 18,377.70 × 4,458.20
  4. Step 4: Simplify right side
    12,248.60x = 81,931,462.14
  5. Step 5: Solve for x
    x = 81,931,462.14/12,248.60
  6. Step 6: Final answer
    x = 6,689.05

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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.