Home / 19,412.70-26,789.84-10,916.61

Finding the Fourth Proportional to 19,412.70, 26,789.84 and 10,916.61

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Solution

The fourth proportional to 19,412.70, 26,789.84 and 10,916.61 is: 15,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.70 : 26,789.84 = 10,916.61 : x
  2. Step 2: Convert to fraction form
    19,412.70/26,789.84 = 10,916.61/x
  3. Step 3: Cross multiply
    19,412.70x = 26,789.84 × 10,916.61
  4. Step 4: Simplify right side
    19,412.70x = 292,454,180.66
  5. Step 5: Solve for x
    x = 292,454,180.66/19,412.70
  6. Step 6: Final answer
    x = 15,065.10

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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.