Home / 21,766.23-32,661.65-9,285.08

Finding the Fourth Proportional to 21,766.23, 32,661.65 and 9,285.08

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Solution

The fourth proportional to 21,766.23, 32,661.65 and 9,285.08 is: 13,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.23 : 32,661.65 = 9,285.08 : x
  2. Step 2: Convert to fraction form
    21,766.23/32,661.65 = 9,285.08/x
  3. Step 3: Cross multiply
    21,766.23x = 32,661.65 × 9,285.08
  4. Step 4: Simplify right side
    21,766.23x = 303,265,963.13
  5. Step 5: Solve for x
    x = 303,265,963.13/21,766.23
  6. Step 6: Final answer
    x = 13,932.86

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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.