Home / 17,506.80-26,263.98-8,139.96

Finding the Fourth Proportional to 17,506.80, 26,263.98 and 8,139.96

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Solution

The fourth proportional to 17,506.80, 26,263.98 and 8,139.96 is: 12,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,506.80 : 26,263.98 = 8,139.96 : x
  2. Step 2: Convert to fraction form
    17,506.80/26,263.98 = 8,139.96/x
  3. Step 3: Cross multiply
    17,506.80x = 26,263.98 × 8,139.96
  4. Step 4: Simplify right side
    17,506.80x = 213,787,746.64
  5. Step 5: Solve for x
    x = 213,787,746.64/17,506.80
  6. Step 6: Final answer
    x = 12,211.70

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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.