Home / 9,003.45-13,439.40-8,353.02

Finding the Fourth Proportional to 9,003.45, 13,439.40 and 8,353.02

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Solution

The fourth proportional to 9,003.45, 13,439.40 and 8,353.02 is: 12,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.45 : 13,439.40 = 8,353.02 : x
  2. Step 2: Convert to fraction form
    9,003.45/13,439.40 = 8,353.02/x
  3. Step 3: Cross multiply
    9,003.45x = 13,439.40 × 8,353.02
  4. Step 4: Simplify right side
    9,003.45x = 112,259,576.99
  5. Step 5: Solve for x
    x = 112,259,576.99/9,003.45
  6. Step 6: Final answer
    x = 12,468.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.