Home / 18,856.92-28,242.32-9,003.12

Finding the Fourth Proportional to 18,856.92, 28,242.32 and 9,003.12

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Solution

The fourth proportional to 18,856.92, 28,242.32 and 9,003.12 is: 13,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.92 : 28,242.32 = 9,003.12 : x
  2. Step 2: Convert to fraction form
    18,856.92/28,242.32 = 9,003.12/x
  3. Step 3: Cross multiply
    18,856.92x = 28,242.32 × 9,003.12
  4. Step 4: Simplify right side
    18,856.92x = 254,268,895.76
  5. Step 5: Solve for x
    x = 254,268,895.76/18,856.92
  6. Step 6: Final answer
    x = 13,484.12

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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.