Home / 15,042.02-20,758.23-8,235.92

Finding the Fourth Proportional to 15,042.02, 20,758.23 and 8,235.92

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Solution

The fourth proportional to 15,042.02, 20,758.23 and 8,235.92 is: 11,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.02 : 20,758.23 = 8,235.92 : x
  2. Step 2: Convert to fraction form
    15,042.02/20,758.23 = 8,235.92/x
  3. Step 3: Cross multiply
    15,042.02x = 20,758.23 × 8,235.92
  4. Step 4: Simplify right side
    15,042.02x = 170,963,017.83
  5. Step 5: Solve for x
    x = 170,963,017.83/15,042.02
  6. Step 6: Final answer
    x = 11,365.70

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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.