Home / 14,532.40-21,769.80-8,671.60

Finding the Fourth Proportional to 14,532.40, 21,769.80 and 8,671.60

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Solution

The fourth proportional to 14,532.40, 21,769.80 and 8,671.60 is: 12,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.40 : 21,769.80 = 8,671.60 : x
  2. Step 2: Convert to fraction form
    14,532.40/21,769.80 = 8,671.60/x
  3. Step 3: Cross multiply
    14,532.40x = 21,769.80 × 8,671.60
  4. Step 4: Simplify right side
    14,532.40x = 188,778,997.68
  5. Step 5: Solve for x
    x = 188,778,997.68/14,532.40
  6. Step 6: Final answer
    x = 12,990.21

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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.