Home / 13,532.40-20,300.61-4,765.76

Finding the Fourth Proportional to 13,532.40, 20,300.61 and 4,765.76

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Solution

The fourth proportional to 13,532.40, 20,300.61 and 4,765.76 is: 7,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.40 : 20,300.61 = 4,765.76 : x
  2. Step 2: Convert to fraction form
    13,532.40/20,300.61 = 4,765.76/x
  3. Step 3: Cross multiply
    13,532.40x = 20,300.61 × 4,765.76
  4. Step 4: Simplify right side
    13,532.40x = 96,747,835.11
  5. Step 5: Solve for x
    x = 96,747,835.11/13,532.40
  6. Step 6: Final answer
    x = 7,149.35

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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.