Home / 18,280.08-25,213.68-11,209.32

Finding the Fourth Proportional to 18,280.08, 25,213.68 and 11,209.32

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Solution

The fourth proportional to 18,280.08, 25,213.68 and 11,209.32 is: 15,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.08 : 25,213.68 = 11,209.32 : x
  2. Step 2: Convert to fraction form
    18,280.08/25,213.68 = 11,209.32/x
  3. Step 3: Cross multiply
    18,280.08x = 25,213.68 × 11,209.32
  4. Step 4: Simplify right side
    18,280.08x = 282,628,207.50
  5. Step 5: Solve for x
    x = 282,628,207.50/18,280.08
  6. Step 6: Final answer
    x = 15,460.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.