Home / 13,449.24-20,162.52-6,425.28

Finding the Fourth Proportional to 13,449.24, 20,162.52 and 6,425.28

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Solution

The fourth proportional to 13,449.24, 20,162.52 and 6,425.28 is: 9,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.24 : 20,162.52 = 6,425.28 : x
  2. Step 2: Convert to fraction form
    13,449.24/20,162.52 = 6,425.28/x
  3. Step 3: Cross multiply
    13,449.24x = 20,162.52 × 6,425.28
  4. Step 4: Simplify right side
    13,449.24x = 129,549,836.51
  5. Step 5: Solve for x
    x = 129,549,836.51/13,449.24
  6. Step 6: Final answer
    x = 9,632.50

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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.