Home / 19,006.15-26,227.43-10,507.78

Finding the Fourth Proportional to 19,006.15, 26,227.43 and 10,507.78

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Solution

The fourth proportional to 19,006.15, 26,227.43 and 10,507.78 is: 14,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.15 : 26,227.43 = 10,507.78 : x
  2. Step 2: Convert to fraction form
    19,006.15/26,227.43 = 10,507.78/x
  3. Step 3: Cross multiply
    19,006.15x = 26,227.43 × 10,507.78
  4. Step 4: Simplify right side
    19,006.15x = 275,592,064.43
  5. Step 5: Solve for x
    x = 275,592,064.43/19,006.15
  6. Step 6: Final answer
    x = 14,500.15

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Half scale
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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.