Home / 19,508.74-26,920.10-11,010.10

Finding the Fourth Proportional to 19,508.74, 26,920.10 and 11,010.10

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Solution

The fourth proportional to 19,508.74, 26,920.10 and 11,010.10 is: 15,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.74 : 26,920.10 = 11,010.10 : x
  2. Step 2: Convert to fraction form
    19,508.74/26,920.10 = 11,010.10/x
  3. Step 3: Cross multiply
    19,508.74x = 26,920.10 × 11,010.10
  4. Step 4: Simplify right side
    19,508.74x = 296,392,993.01
  5. Step 5: Solve for x
    x = 296,392,993.01/19,508.74
  6. Step 6: Final answer
    x = 15,192.83

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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.