Home / 19,216.80-26,521.22-11,265.71

Finding the Fourth Proportional to 19,216.80, 26,521.22 and 11,265.71

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Solution

The fourth proportional to 19,216.80, 26,521.22 and 11,265.71 is: 15,547.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.80 : 26,521.22 = 11,265.71 : x
  2. Step 2: Convert to fraction form
    19,216.80/26,521.22 = 11,265.71/x
  3. Step 3: Cross multiply
    19,216.80x = 26,521.22 × 11,265.71
  4. Step 4: Simplify right side
    19,216.80x = 298,780,268.92
  5. Step 5: Solve for x
    x = 298,780,268.92/19,216.80
  6. Step 6: Final answer
    x = 15,547.87

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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.