Home / 21,382.16-32,065.04-7,339.57

Finding the Fourth Proportional to 21,382.16, 32,065.04 and 7,339.57

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Solution

The fourth proportional to 21,382.16, 32,065.04 and 7,339.57 is: 11,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,382.16 : 32,065.04 = 7,339.57 : x
  2. Step 2: Convert to fraction form
    21,382.16/32,065.04 = 7,339.57/x
  3. Step 3: Cross multiply
    21,382.16x = 32,065.04 × 7,339.57
  4. Step 4: Simplify right side
    21,382.16x = 235,343,605.63
  5. Step 5: Solve for x
    x = 235,343,605.63/21,382.16
  6. Step 6: Final answer
    x = 11,006.54

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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.