Home / 15,004.40-22,506.60-13,740.80

Finding the Fourth Proportional to 15,004.40, 22,506.60 and 13,740.80

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Solution

The fourth proportional to 15,004.40, 22,506.60 and 13,740.80 is: 20,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.40 : 22,506.60 = 13,740.80 : x
  2. Step 2: Convert to fraction form
    15,004.40/22,506.60 = 13,740.80/x
  3. Step 3: Cross multiply
    15,004.40x = 22,506.60 × 13,740.80
  4. Step 4: Simplify right side
    15,004.40x = 309,258,689.28
  5. Step 5: Solve for x
    x = 309,258,689.28/15,004.40
  6. Step 6: Final answer
    x = 20,611.20

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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.