Home / 15,032.16-20,743.92-8,744.40

Finding the Fourth Proportional to 15,032.16, 20,743.92 and 8,744.40

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Solution

The fourth proportional to 15,032.16, 20,743.92 and 8,744.40 is: 12,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032.16 : 20,743.92 = 8,744.40 : x
  2. Step 2: Convert to fraction form
    15,032.16/20,743.92 = 8,744.40/x
  3. Step 3: Cross multiply
    15,032.16x = 20,743.92 × 8,744.40
  4. Step 4: Simplify right side
    15,032.16x = 181,393,134.05
  5. Step 5: Solve for x
    x = 181,393,134.05/15,032.16
  6. Step 6: Final answer
    x = 12,067.00

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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.