Home / 13,347.84-20,028.89-8,666.75

Finding the Fourth Proportional to 13,347.84, 20,028.89 and 8,666.75

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Solution

The fourth proportional to 13,347.84, 20,028.89 and 8,666.75 is: 13,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.84 : 20,028.89 = 8,666.75 : x
  2. Step 2: Convert to fraction form
    13,347.84/20,028.89 = 8,666.75/x
  3. Step 3: Cross multiply
    13,347.84x = 20,028.89 × 8,666.75
  4. Step 4: Simplify right side
    13,347.84x = 173,585,382.41
  5. Step 5: Solve for x
    x = 173,585,382.41/13,347.84
  6. Step 6: Final answer
    x = 13,004.75

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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.