Home / 8,767.28-13,136.34-7,212.08

Finding the Fourth Proportional to 8,767.28, 13,136.34 and 7,212.08

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Solution

The fourth proportional to 8,767.28, 13,136.34 and 7,212.08 is: 10,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.28 : 13,136.34 = 7,212.08 : x
  2. Step 2: Convert to fraction form
    8,767.28/13,136.34 = 7,212.08/x
  3. Step 3: Cross multiply
    8,767.28x = 13,136.34 × 7,212.08
  4. Step 4: Simplify right side
    8,767.28x = 94,740,334.99
  5. Step 5: Solve for x
    x = 94,740,334.99/8,767.28
  6. Step 6: Final answer
    x = 10,806.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.