Home / 8,814.19-12,167.49-5,631.67

Finding the Fourth Proportional to 8,814.19, 12,167.49 and 5,631.67

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Solution

The fourth proportional to 8,814.19, 12,167.49 and 5,631.67 is: 7,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.19 : 12,167.49 = 5,631.67 : x
  2. Step 2: Convert to fraction form
    8,814.19/12,167.49 = 5,631.67/x
  3. Step 3: Cross multiply
    8,814.19x = 12,167.49 × 5,631.67
  4. Step 4: Simplify right side
    8,814.19x = 68,523,288.41
  5. Step 5: Solve for x
    x = 68,523,288.41/8,814.19
  6. Step 6: Final answer
    x = 7,774.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.