Home / 13,122.09-19,683.09-6,552.90

Finding the Fourth Proportional to 13,122.09, 19,683.09 and 6,552.90

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Solution

The fourth proportional to 13,122.09, 19,683.09 and 6,552.90 is: 9,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122.09 : 19,683.09 = 6,552.90 : x
  2. Step 2: Convert to fraction form
    13,122.09/19,683.09 = 6,552.90/x
  3. Step 3: Cross multiply
    13,122.09x = 19,683.09 × 6,552.90
  4. Step 4: Simplify right side
    13,122.09x = 128,981,320.46
  5. Step 5: Solve for x
    x = 128,981,320.46/13,122.09
  6. Step 6: Final answer
    x = 9,829.33

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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.