Home / 9,033.24-12,438.18-7,907.88

Finding the Fourth Proportional to 9,033.24, 12,438.18 and 7,907.88

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Solution

The fourth proportional to 9,033.24, 12,438.18 and 7,907.88 is: 10,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,033.24 : 12,438.18 = 7,907.88 : x
  2. Step 2: Convert to fraction form
    9,033.24/12,438.18 = 7,907.88/x
  3. Step 3: Cross multiply
    9,033.24x = 12,438.18 × 7,907.88
  4. Step 4: Simplify right side
    9,033.24x = 98,359,634.86
  5. Step 5: Solve for x
    x = 98,359,634.86/9,033.24
  6. Step 6: Final answer
    x = 10,888.63

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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.