Home / 21,334.77-32,010.45-8,851.65

Finding the Fourth Proportional to 21,334.77, 32,010.45 and 8,851.65

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Solution

The fourth proportional to 21,334.77, 32,010.45 and 8,851.65 is: 13,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.77 : 32,010.45 = 8,851.65 : x
  2. Step 2: Convert to fraction form
    21,334.77/32,010.45 = 8,851.65/x
  3. Step 3: Cross multiply
    21,334.77x = 32,010.45 × 8,851.65
  4. Step 4: Simplify right side
    21,334.77x = 283,345,299.74
  5. Step 5: Solve for x
    x = 283,345,299.74/21,334.77
  6. Step 6: Final answer
    x = 13,280.92

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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.