Home / 9,136.24-13,632.62-8,578.96

Finding the Fourth Proportional to 9,136.24, 13,632.62 and 8,578.96

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Solution

The fourth proportional to 9,136.24, 13,632.62 and 8,578.96 is: 12,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.24 : 13,632.62 = 8,578.96 : x
  2. Step 2: Convert to fraction form
    9,136.24/13,632.62 = 8,578.96/x
  3. Step 3: Cross multiply
    9,136.24x = 13,632.62 × 8,578.96
  4. Step 4: Simplify right side
    9,136.24x = 116,953,701.68
  5. Step 5: Solve for x
    x = 116,953,701.68/9,136.24
  6. Step 6: Final answer
    x = 12,801.08

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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.