Home / 15,122.40-22,683.60-14,517.60

Finding the Fourth Proportional to 15,122.40, 22,683.60 and 14,517.60

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Solution

The fourth proportional to 15,122.40, 22,683.60 and 14,517.60 is: 21,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.40 : 22,683.60 = 14,517.60 : x
  2. Step 2: Convert to fraction form
    15,122.40/22,683.60 = 14,517.60/x
  3. Step 3: Cross multiply
    15,122.40x = 22,683.60 × 14,517.60
  4. Step 4: Simplify right side
    15,122.40x = 329,311,431.36
  5. Step 5: Solve for x
    x = 329,311,431.36/15,122.40
  6. Step 6: Final answer
    x = 21,776.40

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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.