Home / 13,250.03-18,287.63-8,773.97

Finding the Fourth Proportional to 13,250.03, 18,287.63 and 8,773.97

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Solution

The fourth proportional to 13,250.03, 18,287.63 and 8,773.97 is: 12,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.03 : 18,287.63 = 8,773.97 : x
  2. Step 2: Convert to fraction form
    13,250.03/18,287.63 = 8,773.97/x
  3. Step 3: Cross multiply
    13,250.03x = 18,287.63 × 8,773.97
  4. Step 4: Simplify right side
    13,250.03x = 160,455,162.71
  5. Step 5: Solve for x
    x = 160,455,162.71/13,250.03
  6. Step 6: Final answer
    x = 12,109.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.