Home / 22,465.68-31,005.40-13,517.84

Finding the Fourth Proportional to 22,465.68, 31,005.40 and 13,517.84

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Solution

The fourth proportional to 22,465.68, 31,005.40 and 13,517.84 is: 18,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,465.68 : 31,005.40 = 13,517.84 : x
  2. Step 2: Convert to fraction form
    22,465.68/31,005.40 = 13,517.84/x
  3. Step 3: Cross multiply
    22,465.68x = 31,005.40 × 13,517.84
  4. Step 4: Simplify right side
    22,465.68x = 419,126,036.34
  5. Step 5: Solve for x
    x = 419,126,036.34/22,465.68
  6. Step 6: Final answer
    x = 18,656.28

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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.