Home / 13,352.28-20,015.08-6,319.76

Finding the Fourth Proportional to 13,352.28, 20,015.08 and 6,319.76

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Solution

The fourth proportional to 13,352.28, 20,015.08 and 6,319.76 is: 9,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.28 : 20,015.08 = 6,319.76 : x
  2. Step 2: Convert to fraction form
    13,352.28/20,015.08 = 6,319.76/x
  3. Step 3: Cross multiply
    13,352.28x = 20,015.08 × 6,319.76
  4. Step 4: Simplify right side
    13,352.28x = 126,490,501.98
  5. Step 5: Solve for x
    x = 126,490,501.98/13,352.28
  6. Step 6: Final answer
    x = 9,473.33

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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.