Home / 18,914.90-26,103.20-10,417.92

Finding the Fourth Proportional to 18,914.90, 26,103.20 and 10,417.92

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Solution

The fourth proportional to 18,914.90, 26,103.20 and 10,417.92 is: 14,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.90 : 26,103.20 = 10,417.92 : x
  2. Step 2: Convert to fraction form
    18,914.90/26,103.20 = 10,417.92/x
  3. Step 3: Cross multiply
    18,914.90x = 26,103.20 × 10,417.92
  4. Step 4: Simplify right side
    18,914.90x = 271,941,049.34
  5. Step 5: Solve for x
    x = 271,941,049.34/18,914.90
  6. Step 6: Final answer
    x = 14,377.08

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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.