Home / 8,527.20-12,715.48-7,491.44

Finding the Fourth Proportional to 8,527.20, 12,715.48 and 7,491.44

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Solution

The fourth proportional to 8,527.20, 12,715.48 and 7,491.44 is: 11,170.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.20 : 12,715.48 = 7,491.44 : x
  2. Step 2: Convert to fraction form
    8,527.20/12,715.48 = 7,491.44/x
  3. Step 3: Cross multiply
    8,527.20x = 12,715.48 × 7,491.44
  4. Step 4: Simplify right side
    8,527.20x = 95,257,255.49
  5. Step 5: Solve for x
    x = 95,257,255.49/8,527.20
  6. Step 6: Final answer
    x = 11,170.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.