Home / 13,766.19-20,645.25-5,868.63

Finding the Fourth Proportional to 13,766.19, 20,645.25 and 5,868.63

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Solution

The fourth proportional to 13,766.19, 20,645.25 and 5,868.63 is: 8,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.19 : 20,645.25 = 5,868.63 : x
  2. Step 2: Convert to fraction form
    13,766.19/20,645.25 = 5,868.63/x
  3. Step 3: Cross multiply
    13,766.19x = 20,645.25 × 5,868.63
  4. Step 4: Simplify right side
    13,766.19x = 121,159,333.51
  5. Step 5: Solve for x
    x = 121,159,333.51/13,766.19
  6. Step 6: Final answer
    x = 8,801.22

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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.