Home / 12,559.67-18,838.20-6,317.13

Finding the Fourth Proportional to 12,559.67, 18,838.20 and 6,317.13

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Solution

The fourth proportional to 12,559.67, 18,838.20 and 6,317.13 is: 9,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.67 : 18,838.20 = 6,317.13 : x
  2. Step 2: Convert to fraction form
    12,559.67/18,838.20 = 6,317.13/x
  3. Step 3: Cross multiply
    12,559.67x = 18,838.20 × 6,317.13
  4. Step 4: Simplify right side
    12,559.67x = 119,003,452.70
  5. Step 5: Solve for x
    x = 119,003,452.70/12,559.67
  6. Step 6: Final answer
    x = 9,475.05

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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.