Home / 18,188.16-27,280.32-6,501.12

Finding the Fourth Proportional to 18,188.16, 27,280.32 and 6,501.12

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Solution

The fourth proportional to 18,188.16, 27,280.32 and 6,501.12 is: 9,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.16 : 27,280.32 = 6,501.12 : x
  2. Step 2: Convert to fraction form
    18,188.16/27,280.32 = 6,501.12/x
  3. Step 3: Cross multiply
    18,188.16x = 27,280.32 × 6,501.12
  4. Step 4: Simplify right side
    18,188.16x = 177,352,633.96
  5. Step 5: Solve for x
    x = 177,352,633.96/18,188.16
  6. Step 6: Final answer
    x = 9,750.99

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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.