Home / 21,949.19-32,923.71-8,810.78

Finding the Fourth Proportional to 21,949.19, 32,923.71 and 8,810.78

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Solution

The fourth proportional to 21,949.19, 32,923.71 and 8,810.78 is: 13,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,949.19 : 32,923.71 = 8,810.78 : x
  2. Step 2: Convert to fraction form
    21,949.19/32,923.71 = 8,810.78/x
  3. Step 3: Cross multiply
    21,949.19x = 32,923.71 × 8,810.78
  4. Step 4: Simplify right side
    21,949.19x = 290,083,565.59
  5. Step 5: Solve for x
    x = 290,083,565.59/21,949.19
  6. Step 6: Final answer
    x = 13,216.14

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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.