Home / 19,216.80-26,521.77-11,262.20

Finding the Fourth Proportional to 19,216.80, 26,521.77 and 11,262.20

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Solution

The fourth proportional to 19,216.80, 26,521.77 and 11,262.20 is: 15,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.80 : 26,521.77 = 11,262.20 : x
  2. Step 2: Convert to fraction form
    19,216.80/26,521.77 = 11,262.20/x
  3. Step 3: Cross multiply
    19,216.80x = 26,521.77 × 11,262.20
  4. Step 4: Simplify right side
    19,216.80x = 298,693,345.49
  5. Step 5: Solve for x
    x = 298,693,345.49/19,216.80
  6. Step 6: Final answer
    x = 15,543.34

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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.