Home / 19,006.30-26,228.13-10,622.78

Finding the Fourth Proportional to 19,006.30, 26,228.13 and 10,622.78

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Solution

The fourth proportional to 19,006.30, 26,228.13 and 10,622.78 is: 14,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.30 : 26,228.13 = 10,622.78 : x
  2. Step 2: Convert to fraction form
    19,006.30/26,228.13 = 10,622.78/x
  3. Step 3: Cross multiply
    19,006.30x = 26,228.13 × 10,622.78
  4. Step 4: Simplify right side
    19,006.30x = 278,615,654.80
  5. Step 5: Solve for x
    x = 278,615,654.80/19,006.30
  6. Step 6: Final answer
    x = 14,659.12

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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.