Home / 13,347.34-20,028.14-8,666.25

Finding the Fourth Proportional to 13,347.34, 20,028.14 and 8,666.25

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Solution

The fourth proportional to 13,347.34, 20,028.14 and 8,666.25 is: 13,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.34 : 20,028.14 = 8,666.25 : x
  2. Step 2: Convert to fraction form
    13,347.34/20,028.14 = 8,666.25/x
  3. Step 3: Cross multiply
    13,347.34x = 20,028.14 × 8,666.25
  4. Step 4: Simplify right side
    13,347.34x = 173,568,868.28
  5. Step 5: Solve for x
    x = 173,568,868.28/13,347.34
  6. Step 6: Final answer
    x = 13,004.00

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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.