Home / 12,417.30-18,626.28-3,652.49

Finding the Fourth Proportional to 12,417.30, 18,626.28 and 3,652.49

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Solution

The fourth proportional to 12,417.30, 18,626.28 and 3,652.49 is: 5,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.30 : 18,626.28 = 3,652.49 : x
  2. Step 2: Convert to fraction form
    12,417.30/18,626.28 = 3,652.49/x
  3. Step 3: Cross multiply
    12,417.30x = 18,626.28 × 3,652.49
  4. Step 4: Simplify right side
    12,417.30x = 68,032,301.44
  5. Step 5: Solve for x
    x = 68,032,301.44/12,417.30
  6. Step 6: Final answer
    x = 5,478.83

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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.