Home / 13,169.60-19,754.40-8,244.80

Finding the Fourth Proportional to 13,169.60, 19,754.40 and 8,244.80

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Solution

The fourth proportional to 13,169.60, 19,754.40 and 8,244.80 is: 12,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.60 : 19,754.40 = 8,244.80 : x
  2. Step 2: Convert to fraction form
    13,169.60/19,754.40 = 8,244.80/x
  3. Step 3: Cross multiply
    13,169.60x = 19,754.40 × 8,244.80
  4. Step 4: Simplify right side
    13,169.60x = 162,871,077.12
  5. Step 5: Solve for x
    x = 162,871,077.12/13,169.60
  6. Step 6: Final answer
    x = 12,367.20

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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.