Home / 22,364.21-30,862.09-12,155.00

Finding the Fourth Proportional to 22,364.21, 30,862.09 and 12,155.00

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Solution

The fourth proportional to 22,364.21, 30,862.09 and 12,155.00 is: 16,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,364.21 : 30,862.09 = 12,155.00 : x
  2. Step 2: Convert to fraction form
    22,364.21/30,862.09 = 12,155.00/x
  3. Step 3: Cross multiply
    22,364.21x = 30,862.09 × 12,155.00
  4. Step 4: Simplify right side
    22,364.21x = 375,128,842.33
  5. Step 5: Solve for x
    x = 375,128,842.33/22,364.21
  6. Step 6: Final answer
    x = 16,773.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.