Home / 15,010.40-22,515.60-13,746.80

Finding the Fourth Proportional to 15,010.40, 22,515.60 and 13,746.80

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Solution

The fourth proportional to 15,010.40, 22,515.60 and 13,746.80 is: 20,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.40 : 22,515.60 = 13,746.80 : x
  2. Step 2: Convert to fraction form
    15,010.40/22,515.60 = 13,746.80/x
  3. Step 3: Cross multiply
    15,010.40x = 22,515.60 × 13,746.80
  4. Step 4: Simplify right side
    15,010.40x = 309,517,450.08
  5. Step 5: Solve for x
    x = 309,517,450.08/15,010.40
  6. Step 6: Final answer
    x = 20,620.20

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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.