Home / 13,517.27-20,247.63-10,870.45

Finding the Fourth Proportional to 13,517.27, 20,247.63 and 10,870.45

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Solution

The fourth proportional to 13,517.27, 20,247.63 and 10,870.45 is: 16,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.27 : 20,247.63 = 10,870.45 : x
  2. Step 2: Convert to fraction form
    13,517.27/20,247.63 = 10,870.45/x
  3. Step 3: Cross multiply
    13,517.27x = 20,247.63 × 10,870.45
  4. Step 4: Simplify right side
    13,517.27x = 220,100,798.91
  5. Step 5: Solve for x
    x = 220,100,798.91/13,517.27
  6. Step 6: Final answer
    x = 16,282.93

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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.