Home / 12,372.79-18,559.16-3,488.10

Finding the Fourth Proportional to 12,372.79, 18,559.16 and 3,488.10

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Solution

The fourth proportional to 12,372.79, 18,559.16 and 3,488.10 is: 5,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.79 : 18,559.16 = 3,488.10 : x
  2. Step 2: Convert to fraction form
    12,372.79/18,559.16 = 3,488.10/x
  3. Step 3: Cross multiply
    12,372.79x = 18,559.16 × 3,488.10
  4. Step 4: Simplify right side
    12,372.79x = 64,736,256.05
  5. Step 5: Solve for x
    x = 64,736,256.05/12,372.79
  6. Step 6: Final answer
    x = 5,232.15

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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.