Home / 17,617.92-26,418.98-12,666.87

Finding the Fourth Proportional to 17,617.92, 26,418.98 and 12,666.87

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Solution

The fourth proportional to 17,617.92, 26,418.98 and 12,666.87 is: 18,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.92 : 26,418.98 = 12,666.87 : x
  2. Step 2: Convert to fraction form
    17,617.92/26,418.98 = 12,666.87/x
  3. Step 3: Cross multiply
    17,617.92x = 26,418.98 × 12,666.87
  4. Step 4: Simplify right side
    17,617.92x = 334,645,721.86
  5. Step 5: Solve for x
    x = 334,645,721.86/17,617.92
  6. Step 6: Final answer
    x = 18,994.62

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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.