Home / 12,339.01-18,506.45-4,439.91

Finding the Fourth Proportional to 12,339.01, 18,506.45 and 4,439.91

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Solution

The fourth proportional to 12,339.01, 18,506.45 and 4,439.91 is: 6,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.01 : 18,506.45 = 4,439.91 : x
  2. Step 2: Convert to fraction form
    12,339.01/18,506.45 = 4,439.91/x
  3. Step 3: Cross multiply
    12,339.01x = 18,506.45 × 4,439.91
  4. Step 4: Simplify right side
    12,339.01x = 82,167,040.43
  5. Step 5: Solve for x
    x = 82,167,040.43/12,339.01
  6. Step 6: Final answer
    x = 6,659.13

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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.