Home / 21,222.08-31,833.03-6,432.19

Finding the Fourth Proportional to 21,222.08, 31,833.03 and 6,432.19

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Solution

The fourth proportional to 21,222.08, 31,833.03 and 6,432.19 is: 9,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,222.08 : 31,833.03 = 6,432.19 : x
  2. Step 2: Convert to fraction form
    21,222.08/31,833.03 = 6,432.19/x
  3. Step 3: Cross multiply
    21,222.08x = 31,833.03 × 6,432.19
  4. Step 4: Simplify right side
    21,222.08x = 204,756,041.77
  5. Step 5: Solve for x
    x = 204,756,041.77/21,222.08
  6. Step 6: Final answer
    x = 9,648.26

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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.