Home / 22,697.28-31,330.80-13,268.88

Finding the Fourth Proportional to 22,697.28, 31,330.80 and 13,268.88

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Solution

The fourth proportional to 22,697.28, 31,330.80 and 13,268.88 is: 18,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,697.28 : 31,330.80 = 13,268.88 : x
  2. Step 2: Convert to fraction form
    22,697.28/31,330.80 = 13,268.88/x
  3. Step 3: Cross multiply
    22,697.28x = 31,330.80 × 13,268.88
  4. Step 4: Simplify right side
    22,697.28x = 415,724,625.50
  5. Step 5: Solve for x
    x = 415,724,625.50/22,697.28
  6. Step 6: Final answer
    x = 18,316.05

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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.