Home / 15,019.32-22,542.60-8,005.23

Finding the Fourth Proportional to 15,019.32, 22,542.60 and 8,005.23

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Solution

The fourth proportional to 15,019.32, 22,542.60 and 8,005.23 is: 12,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.32 : 22,542.60 = 8,005.23 : x
  2. Step 2: Convert to fraction form
    15,019.32/22,542.60 = 8,005.23/x
  3. Step 3: Cross multiply
    15,019.32x = 22,542.60 × 8,005.23
  4. Step 4: Simplify right side
    15,019.32x = 180,458,727.82
  5. Step 5: Solve for x
    x = 180,458,727.82/15,019.32
  6. Step 6: Final answer
    x = 12,015.10

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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.