Home / 8,715.23-13,064.67-3,167.18

Finding the Fourth Proportional to 8,715.23, 13,064.67 and 3,167.18

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Solution

The fourth proportional to 8,715.23, 13,064.67 and 3,167.18 is: 4,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.23 : 13,064.67 = 3,167.18 : x
  2. Step 2: Convert to fraction form
    8,715.23/13,064.67 = 3,167.18/x
  3. Step 3: Cross multiply
    8,715.23x = 13,064.67 × 3,167.18
  4. Step 4: Simplify right side
    8,715.23x = 41,378,161.53
  5. Step 5: Solve for x
    x = 41,378,161.53/8,715.23
  6. Step 6: Final answer
    x = 4,747.80

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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.