Home / 9,989.24-14,988.18-5,366.84

Finding the Fourth Proportional to 9,989.24, 14,988.18 and 5,366.84

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Solution

The fourth proportional to 9,989.24, 14,988.18 and 5,366.84 is: 8,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.24 : 14,988.18 = 5,366.84 : x
  2. Step 2: Convert to fraction form
    9,989.24/14,988.18 = 5,366.84/x
  3. Step 3: Cross multiply
    9,989.24x = 14,988.18 × 5,366.84
  4. Step 4: Simplify right side
    9,989.24x = 80,439,163.95
  5. Step 5: Solve for x
    x = 80,439,163.95/9,989.24
  6. Step 6: Final answer
    x = 8,052.58

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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.