Home / 9,651.12-13,318.80-5,458.56

Finding the Fourth Proportional to 9,651.12, 13,318.80 and 5,458.56

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Solution

The fourth proportional to 9,651.12, 13,318.80 and 5,458.56 is: 7,532.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.12 : 13,318.80 = 5,458.56 : x
  2. Step 2: Convert to fraction form
    9,651.12/13,318.80 = 5,458.56/x
  3. Step 3: Cross multiply
    9,651.12x = 13,318.80 × 5,458.56
  4. Step 4: Simplify right side
    9,651.12x = 72,701,468.93
  5. Step 5: Solve for x
    x = 72,701,468.93/9,651.12
  6. Step 6: Final answer
    x = 7,532.96

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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.