Home / 16,818.70-23,184.45-13,829.35

Finding the Fourth Proportional to 16,818.70, 23,184.45 and 13,829.35

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Solution

The fourth proportional to 16,818.70, 23,184.45 and 13,829.35 is: 19,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.70 : 23,184.45 = 13,829.35 : x
  2. Step 2: Convert to fraction form
    16,818.70/23,184.45 = 13,829.35/x
  3. Step 3: Cross multiply
    16,818.70x = 23,184.45 × 13,829.35
  4. Step 4: Simplify right side
    16,818.70x = 320,625,873.61
  5. Step 5: Solve for x
    x = 320,625,873.61/16,818.70
  6. Step 6: Final answer
    x = 19,063.65

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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.