Home / 20,973.38-28,943.46-11,542.14

Finding the Fourth Proportional to 20,973.38, 28,943.46 and 11,542.14

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Solution

The fourth proportional to 20,973.38, 28,943.46 and 11,542.14 is: 15,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973.38 : 28,943.46 = 11,542.14 : x
  2. Step 2: Convert to fraction form
    20,973.38/28,943.46 = 11,542.14/x
  3. Step 3: Cross multiply
    20,973.38x = 28,943.46 × 11,542.14
  4. Step 4: Simplify right side
    20,973.38x = 334,069,467.40
  5. Step 5: Solve for x
    x = 334,069,467.40/20,973.38
  6. Step 6: Final answer
    x = 15,928.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.