Home / 22,262.16-30,651.84-18,898.32

Finding the Fourth Proportional to 22,262.16, 30,651.84 and 18,898.32

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Solution

The fourth proportional to 22,262.16, 30,651.84 and 18,898.32 is: 26,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.16 : 30,651.84 = 18,898.32 : x
  2. Step 2: Convert to fraction form
    22,262.16/30,651.84 = 18,898.32/x
  3. Step 3: Cross multiply
    22,262.16x = 30,651.84 × 18,898.32
  4. Step 4: Simplify right side
    22,262.16x = 579,268,280.91
  5. Step 5: Solve for x
    x = 579,268,280.91/22,262.16
  6. Step 6: Final answer
    x = 26,020.31

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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.