Home / 15,223.89-22,827.20-11,111.25

Finding the Fourth Proportional to 15,223.89, 22,827.20 and 11,111.25

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Solution

The fourth proportional to 15,223.89, 22,827.20 and 11,111.25 is: 16,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,223.89 : 22,827.20 = 11,111.25 : x
  2. Step 2: Convert to fraction form
    15,223.89/22,827.20 = 11,111.25/x
  3. Step 3: Cross multiply
    15,223.89x = 22,827.20 × 11,111.25
  4. Step 4: Simplify right side
    15,223.89x = 253,638,670.44
  5. Step 5: Solve for x
    x = 253,638,670.44/15,223.89
  6. Step 6: Final answer
    x = 16,660.57

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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.