Home / 13,519.74-20,280.42-6,501.18

Finding the Fourth Proportional to 13,519.74, 20,280.42 and 6,501.18

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Solution

The fourth proportional to 13,519.74, 20,280.42 and 6,501.18 is: 9,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.74 : 20,280.42 = 6,501.18 : x
  2. Step 2: Convert to fraction form
    13,519.74/20,280.42 = 6,501.18/x
  3. Step 3: Cross multiply
    13,519.74x = 20,280.42 × 6,501.18
  4. Step 4: Simplify right side
    13,519.74x = 131,846,660.90
  5. Step 5: Solve for x
    x = 131,846,660.90/13,519.74
  6. Step 6: Final answer
    x = 9,752.16

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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.