Home / 21,670.93-32,510.85-6,879.52

Finding the Fourth Proportional to 21,670.93, 32,510.85 and 6,879.52

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Solution

The fourth proportional to 21,670.93, 32,510.85 and 6,879.52 is: 10,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,670.93 : 32,510.85 = 6,879.52 : x
  2. Step 2: Convert to fraction form
    21,670.93/32,510.85 = 6,879.52/x
  3. Step 3: Cross multiply
    21,670.93x = 32,510.85 × 6,879.52
  4. Step 4: Simplify right side
    21,670.93x = 223,659,042.79
  5. Step 5: Solve for x
    x = 223,659,042.79/21,670.93
  6. Step 6: Final answer
    x = 10,320.69

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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.