Home / 12,044.11-18,066.10-5,378.88

Finding the Fourth Proportional to 12,044.11, 18,066.10 and 5,378.88

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Solution

The fourth proportional to 12,044.11, 18,066.10 and 5,378.88 is: 8,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.11 : 18,066.10 = 5,378.88 : x
  2. Step 2: Convert to fraction form
    12,044.11/18,066.10 = 5,378.88/x
  3. Step 3: Cross multiply
    12,044.11x = 18,066.10 × 5,378.88
  4. Step 4: Simplify right side
    12,044.11x = 97,175,405.11
  5. Step 5: Solve for x
    x = 97,175,405.11/12,044.11
  6. Step 6: Final answer
    x = 8,068.30

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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.