Home / 21,393.13-32,065.01-11,511.65

Finding the Fourth Proportional to 21,393.13, 32,065.01 and 11,511.65

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Solution

The fourth proportional to 21,393.13, 32,065.01 and 11,511.65 is: 17,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393.13 : 32,065.01 = 11,511.65 : x
  2. Step 2: Convert to fraction form
    21,393.13/32,065.01 = 11,511.65/x
  3. Step 3: Cross multiply
    21,393.13x = 32,065.01 × 11,511.65
  4. Step 4: Simplify right side
    21,393.13x = 369,121,162.41
  5. Step 5: Solve for x
    x = 369,121,162.41/21,393.13
  6. Step 6: Final answer
    x = 17,254.19

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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.