Home / 15,879.15-23,818.77-5,356.56

Finding the Fourth Proportional to 15,879.15, 23,818.77 and 5,356.56

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Solution

The fourth proportional to 15,879.15, 23,818.77 and 5,356.56 is: 8,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.15 : 23,818.77 = 5,356.56 : x
  2. Step 2: Convert to fraction form
    15,879.15/23,818.77 = 5,356.56/x
  3. Step 3: Cross multiply
    15,879.15x = 23,818.77 × 5,356.56
  4. Step 4: Simplify right side
    15,879.15x = 127,586,670.63
  5. Step 5: Solve for x
    x = 127,586,670.63/15,879.15
  6. Step 6: Final answer
    x = 8,034.86

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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.