Home / 13,527.52-20,291.28-8,876.96

Finding the Fourth Proportional to 13,527.52, 20,291.28 and 8,876.96

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Solution

The fourth proportional to 13,527.52, 20,291.28 and 8,876.96 is: 13,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.52 : 20,291.28 = 8,876.96 : x
  2. Step 2: Convert to fraction form
    13,527.52/20,291.28 = 8,876.96/x
  3. Step 3: Cross multiply
    13,527.52x = 20,291.28 × 8,876.96
  4. Step 4: Simplify right side
    13,527.52x = 180,124,880.91
  5. Step 5: Solve for x
    x = 180,124,880.91/13,527.52
  6. Step 6: Final answer
    x = 13,315.44

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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.