Home / 18,240.12-27,356.16-5,088.96

Finding the Fourth Proportional to 18,240.12, 27,356.16 and 5,088.96

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Solution

The fourth proportional to 18,240.12, 27,356.16 and 5,088.96 is: 7,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.12 : 27,356.16 = 5,088.96 : x
  2. Step 2: Convert to fraction form
    18,240.12/27,356.16 = 5,088.96/x
  3. Step 3: Cross multiply
    18,240.12x = 27,356.16 × 5,088.96
  4. Step 4: Simplify right side
    18,240.12x = 139,214,403.99
  5. Step 5: Solve for x
    x = 139,214,403.99/18,240.12
  6. Step 6: Final answer
    x = 7,632.32

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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.