Home / 13,500.24-20,250.36-4,140.29

Finding the Fourth Proportional to 13,500.24, 20,250.36 and 4,140.29

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Solution

The fourth proportional to 13,500.24, 20,250.36 and 4,140.29 is: 6,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.24 : 20,250.36 = 4,140.29 : x
  2. Step 2: Convert to fraction form
    13,500.24/20,250.36 = 4,140.29/x
  3. Step 3: Cross multiply
    13,500.24x = 20,250.36 × 4,140.29
  4. Step 4: Simplify right side
    13,500.24x = 83,842,261.75
  5. Step 5: Solve for x
    x = 83,842,261.75/13,500.24
  6. Step 6: Final answer
    x = 6,210.43

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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.