Home / 15,288.08-22,937.60-11,121.04

Finding the Fourth Proportional to 15,288.08, 22,937.60 and 11,121.04

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Solution

The fourth proportional to 15,288.08, 22,937.60 and 11,121.04 is: 16,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.08 : 22,937.60 = 11,121.04 : x
  2. Step 2: Convert to fraction form
    15,288.08/22,937.60 = 11,121.04/x
  3. Step 3: Cross multiply
    15,288.08x = 22,937.60 × 11,121.04
  4. Step 4: Simplify right side
    15,288.08x = 255,089,967.10
  5. Step 5: Solve for x
    x = 255,089,967.10/15,288.08
  6. Step 6: Final answer
    x = 16,685.55

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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.