Home / 16,340.36-22,570.25-13,479.45

Finding the Fourth Proportional to 16,340.36, 22,570.25 and 13,479.45

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Solution

The fourth proportional to 16,340.36, 22,570.25 and 13,479.45 is: 18,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,340.36 : 22,570.25 = 13,479.45 : x
  2. Step 2: Convert to fraction form
    16,340.36/22,570.25 = 13,479.45/x
  3. Step 3: Cross multiply
    16,340.36x = 22,570.25 × 13,479.45
  4. Step 4: Simplify right side
    16,340.36x = 304,234,517.18
  5. Step 5: Solve for x
    x = 304,234,517.18/16,340.36
  6. Step 6: Final answer
    x = 18,618.60

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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.