Home / 13,973.31-20,949.03-8,768.25

Finding the Fourth Proportional to 13,973.31, 20,949.03 and 8,768.25

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Solution

The fourth proportional to 13,973.31, 20,949.03 and 8,768.25 is: 13,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.31 : 20,949.03 = 8,768.25 : x
  2. Step 2: Convert to fraction form
    13,973.31/20,949.03 = 8,768.25/x
  3. Step 3: Cross multiply
    13,973.31x = 20,949.03 × 8,768.25
  4. Step 4: Simplify right side
    13,973.31x = 183,686,332.30
  5. Step 5: Solve for x
    x = 183,686,332.30/13,973.31
  6. Step 6: Final answer
    x = 13,145.51

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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.