Home / 12,340.60-18,519.16-4,549.40

Finding the Fourth Proportional to 12,340.60, 18,519.16 and 4,549.40

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Solution

The fourth proportional to 12,340.60, 18,519.16 and 4,549.40 is: 6,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.60 : 18,519.16 = 4,549.40 : x
  2. Step 2: Convert to fraction form
    12,340.60/18,519.16 = 4,549.40/x
  3. Step 3: Cross multiply
    12,340.60x = 18,519.16 × 4,549.40
  4. Step 4: Simplify right side
    12,340.60x = 84,251,066.50
  5. Step 5: Solve for x
    x = 84,251,066.50/12,340.60
  6. Step 6: Final answer
    x = 6,827.15

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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.