Home / 12,020.68-16,588.42-6,715.48

Finding the Fourth Proportional to 12,020.68, 16,588.42 and 6,715.48

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Solution

The fourth proportional to 12,020.68, 16,588.42 and 6,715.48 is: 9,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.68 : 16,588.42 = 6,715.48 : x
  2. Step 2: Convert to fraction form
    12,020.68/16,588.42 = 6,715.48/x
  3. Step 3: Cross multiply
    12,020.68x = 16,588.42 × 6,715.48
  4. Step 4: Simplify right side
    12,020.68x = 111,399,202.74
  5. Step 5: Solve for x
    x = 111,399,202.74/12,020.68
  6. Step 6: Final answer
    x = 9,267.30

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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.