Home / 12,559.50-18,839.25-5,167.98

Finding the Fourth Proportional to 12,559.50, 18,839.25 and 5,167.98

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Solution

The fourth proportional to 12,559.50, 18,839.25 and 5,167.98 is: 7,751.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.50 : 18,839.25 = 5,167.98 : x
  2. Step 2: Convert to fraction form
    12,559.50/18,839.25 = 5,167.98/x
  3. Step 3: Cross multiply
    12,559.50x = 18,839.25 × 5,167.98
  4. Step 4: Simplify right side
    12,559.50x = 97,360,867.22
  5. Step 5: Solve for x
    x = 97,360,867.22/12,559.50
  6. Step 6: Final answer
    x = 7,751.97

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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.