Home / 19,298.88-26,632.80-10,917.12

Finding the Fourth Proportional to 19,298.88, 26,632.80 and 10,917.12

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Solution

The fourth proportional to 19,298.88, 26,632.80 and 10,917.12 is: 15,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.88 : 26,632.80 = 10,917.12 : x
  2. Step 2: Convert to fraction form
    19,298.88/26,632.80 = 10,917.12/x
  3. Step 3: Cross multiply
    19,298.88x = 26,632.80 × 10,917.12
  4. Step 4: Simplify right side
    19,298.88x = 290,753,473.54
  5. Step 5: Solve for x
    x = 290,753,473.54/19,298.88
  6. Step 6: Final answer
    x = 15,065.82

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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.