Home / 9,399.30-14,115.15-9,107.70

Finding the Fourth Proportional to 9,399.30, 14,115.15 and 9,107.70

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Solution

The fourth proportional to 9,399.30, 14,115.15 and 9,107.70 is: 13,677.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.30 : 14,115.15 = 9,107.70 : x
  2. Step 2: Convert to fraction form
    9,399.30/14,115.15 = 9,107.70/x
  3. Step 3: Cross multiply
    9,399.30x = 14,115.15 × 9,107.70
  4. Step 4: Simplify right side
    9,399.30x = 128,556,551.66
  5. Step 5: Solve for x
    x = 128,556,551.66/9,399.30
  6. Step 6: Final answer
    x = 13,677.25

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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.