Home / 20,642.15-30,963.17-5,851.19

Finding the Fourth Proportional to 20,642.15, 30,963.17 and 5,851.19

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Solution

The fourth proportional to 20,642.15, 30,963.17 and 5,851.19 is: 8,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,642.15 : 30,963.17 = 5,851.19 : x
  2. Step 2: Convert to fraction form
    20,642.15/30,963.17 = 5,851.19/x
  3. Step 3: Cross multiply
    20,642.15x = 30,963.17 × 5,851.19
  4. Step 4: Simplify right side
    20,642.15x = 181,171,438.82
  5. Step 5: Solve for x
    x = 181,171,438.82/20,642.15
  6. Step 6: Final answer
    x = 8,776.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.