Home / 21,945.65-32,912.60-6,149.79

Finding the Fourth Proportional to 21,945.65, 32,912.60 and 6,149.79

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Solution

The fourth proportional to 21,945.65, 32,912.60 and 6,149.79 is: 9,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.65 : 32,912.60 = 6,149.79 : x
  2. Step 2: Convert to fraction form
    21,945.65/32,912.60 = 6,149.79/x
  3. Step 3: Cross multiply
    21,945.65x = 32,912.60 × 6,149.79
  4. Step 4: Simplify right side
    21,945.65x = 202,405,547.61
  5. Step 5: Solve for x
    x = 202,405,547.61/21,945.65
  6. Step 6: Final answer
    x = 9,223.04

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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.