Home / 13,740.40-20,610.54-5,744.18

Finding the Fourth Proportional to 13,740.40, 20,610.54 and 5,744.18

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Solution

The fourth proportional to 13,740.40, 20,610.54 and 5,744.18 is: 8,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.40 : 20,610.54 = 5,744.18 : x
  2. Step 2: Convert to fraction form
    13,740.40/20,610.54 = 5,744.18/x
  3. Step 3: Cross multiply
    13,740.40x = 20,610.54 × 5,744.18
  4. Step 4: Simplify right side
    13,740.40x = 118,390,651.66
  5. Step 5: Solve for x
    x = 118,390,651.66/13,740.40
  6. Step 6: Final answer
    x = 8,616.24

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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.