Home / 9,660.98-13,332.40-5,469.50

Finding the Fourth Proportional to 9,660.98, 13,332.40 and 5,469.50

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Solution

The fourth proportional to 9,660.98, 13,332.40 and 5,469.50 is: 7,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.98 : 13,332.40 = 5,469.50 : x
  2. Step 2: Convert to fraction form
    9,660.98/13,332.40 = 5,469.50/x
  3. Step 3: Cross multiply
    9,660.98x = 13,332.40 × 5,469.50
  4. Step 4: Simplify right side
    9,660.98x = 72,921,561.80
  5. Step 5: Solve for x
    x = 72,921,561.80/9,660.98
  6. Step 6: Final answer
    x = 7,548.05

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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.