Home / 9,087.40-13,631.10-9,029.80

Finding the Fourth Proportional to 9,087.40, 13,631.10 and 9,029.80

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Solution

The fourth proportional to 9,087.40, 13,631.10 and 9,029.80 is: 13,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.40 : 13,631.10 = 9,029.80 : x
  2. Step 2: Convert to fraction form
    9,087.40/13,631.10 = 9,029.80/x
  3. Step 3: Cross multiply
    9,087.40x = 13,631.10 × 9,029.80
  4. Step 4: Simplify right side
    9,087.40x = 123,086,106.78
  5. Step 5: Solve for x
    x = 123,086,106.78/9,087.40
  6. Step 6: Final answer
    x = 13,544.70

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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.