Home / 16,685.19-22,987.80-13,696.29

Finding the Fourth Proportional to 16,685.19, 22,987.80 and 13,696.29

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Solution

The fourth proportional to 16,685.19, 22,987.80 and 13,696.29 is: 18,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.19 : 22,987.80 = 13,696.29 : x
  2. Step 2: Convert to fraction form
    16,685.19/22,987.80 = 13,696.29/x
  3. Step 3: Cross multiply
    16,685.19x = 22,987.80 × 13,696.29
  4. Step 4: Simplify right side
    16,685.19x = 314,847,575.26
  5. Step 5: Solve for x
    x = 314,847,575.26/16,685.19
  6. Step 6: Final answer
    x = 18,869.88

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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.