Home / 21,470.31-32,215.77-11,082.06

Finding the Fourth Proportional to 21,470.31, 32,215.77 and 11,082.06

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Solution

The fourth proportional to 21,470.31, 32,215.77 and 11,082.06 is: 16,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,470.31 : 32,215.77 = 11,082.06 : x
  2. Step 2: Convert to fraction form
    21,470.31/32,215.77 = 11,082.06/x
  3. Step 3: Cross multiply
    21,470.31x = 32,215.77 × 11,082.06
  4. Step 4: Simplify right side
    21,470.31x = 357,017,096.09
  5. Step 5: Solve for x
    x = 357,017,096.09/21,470.31
  6. Step 6: Final answer
    x = 16,628.41

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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.