Home / 17,389.45-26,083.92-12,047.70

Finding the Fourth Proportional to 17,389.45, 26,083.92 and 12,047.70

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Solution

The fourth proportional to 17,389.45, 26,083.92 and 12,047.70 is: 18,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.45 : 26,083.92 = 12,047.70 : x
  2. Step 2: Convert to fraction form
    17,389.45/26,083.92 = 12,047.70/x
  3. Step 3: Cross multiply
    17,389.45x = 26,083.92 × 12,047.70
  4. Step 4: Simplify right side
    17,389.45x = 314,251,385.98
  5. Step 5: Solve for x
    x = 314,251,385.98/17,389.45
  6. Step 6: Final answer
    x = 18,071.38

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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.