Home / 9,677.06-13,359.38-7,518.80

Finding the Fourth Proportional to 9,677.06, 13,359.38 and 7,518.80

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Solution

The fourth proportional to 9,677.06, 13,359.38 and 7,518.80 is: 10,379.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.06 : 13,359.38 = 7,518.80 : x
  2. Step 2: Convert to fraction form
    9,677.06/13,359.38 = 7,518.80/x
  3. Step 3: Cross multiply
    9,677.06x = 13,359.38 × 7,518.80
  4. Step 4: Simplify right side
    9,677.06x = 100,446,506.87
  5. Step 5: Solve for x
    x = 100,446,506.87/9,677.06
  6. Step 6: Final answer
    x = 10,379.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.