Home / 13,329-19,971.61-4,559.13

Finding the Fourth Proportional to 13,329, 19,971.61 and 4,559.13

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Solution

The fourth proportional to 13,329, 19,971.61 and 4,559.13 is: 6,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329 : 19,971.61 = 4,559.13 : x
  2. Step 2: Convert to fraction form
    13,329/19,971.61 = 4,559.13/x
  3. Step 3: Cross multiply
    13,329x = 19,971.61 × 4,559.13
  4. Step 4: Simplify right side
    13,329x = 91,053,166.30
  5. Step 5: Solve for x
    x = 91,053,166.30/13,329
  6. Step 6: Final answer
    x = 6,831.21

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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.