Home / 18,117.66-27,176.68-4,970.04

Finding the Fourth Proportional to 18,117.66, 27,176.68 and 4,970.04

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Solution

The fourth proportional to 18,117.66, 27,176.68 and 4,970.04 is: 7,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.66 : 27,176.68 = 4,970.04 : x
  2. Step 2: Convert to fraction form
    18,117.66/27,176.68 = 4,970.04/x
  3. Step 3: Cross multiply
    18,117.66x = 27,176.68 × 4,970.04
  4. Step 4: Simplify right side
    18,117.66x = 135,069,186.67
  5. Step 5: Solve for x
    x = 135,069,186.67/18,117.66
  6. Step 6: Final answer
    x = 7,455.11

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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.