Home / 9,099.26-12,557.10-5,561.72

Finding the Fourth Proportional to 9,099.26, 12,557.10 and 5,561.72

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Solution

The fourth proportional to 9,099.26, 12,557.10 and 5,561.72 is: 7,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.26 : 12,557.10 = 5,561.72 : x
  2. Step 2: Convert to fraction form
    9,099.26/12,557.10 = 5,561.72/x
  3. Step 3: Cross multiply
    9,099.26x = 12,557.10 × 5,561.72
  4. Step 4: Simplify right side
    9,099.26x = 69,839,074.21
  5. Step 5: Solve for x
    x = 69,839,074.21/9,099.26
  6. Step 6: Final answer
    x = 7,675.25

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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.