Home / 16,869.18-23,257.80-13,833.15

Finding the Fourth Proportional to 16,869.18, 23,257.80 and 13,833.15

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Solution

The fourth proportional to 16,869.18, 23,257.80 and 13,833.15 is: 19,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.18 : 23,257.80 = 13,833.15 : x
  2. Step 2: Convert to fraction form
    16,869.18/23,257.80 = 13,833.15/x
  3. Step 3: Cross multiply
    16,869.18x = 23,257.80 × 13,833.15
  4. Step 4: Simplify right side
    16,869.18x = 321,728,636.07
  5. Step 5: Solve for x
    x = 321,728,636.07/16,869.18
  6. Step 6: Final answer
    x = 19,071.98

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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.