Home / 15,381.10-22,987.35-11,229.85

Finding the Fourth Proportional to 15,381.10, 22,987.35 and 11,229.85

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Solution

The fourth proportional to 15,381.10, 22,987.35 and 11,229.85 is: 16,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.10 : 22,987.35 = 11,229.85 : x
  2. Step 2: Convert to fraction form
    15,381.10/22,987.35 = 11,229.85/x
  3. Step 3: Cross multiply
    15,381.10x = 22,987.35 × 11,229.85
  4. Step 4: Simplify right side
    15,381.10x = 258,144,492.40
  5. Step 5: Solve for x
    x = 258,144,492.40/15,381.10
  6. Step 6: Final answer
    x = 16,783.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.