Home / 17,977.48-26,980.66-8,117.62

Finding the Fourth Proportional to 17,977.48, 26,980.66 and 8,117.62

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Solution

The fourth proportional to 17,977.48, 26,980.66 and 8,117.62 is: 12,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.48 : 26,980.66 = 8,117.62 : x
  2. Step 2: Convert to fraction form
    17,977.48/26,980.66 = 8,117.62/x
  3. Step 3: Cross multiply
    17,977.48x = 26,980.66 × 8,117.62
  4. Step 4: Simplify right side
    17,977.48x = 219,018,687.92
  5. Step 5: Solve for x
    x = 219,018,687.92/17,977.48
  6. Step 6: Final answer
    x = 12,182.95

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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.