Home / 15,402.14-22,991.80-13,533.79

Finding the Fourth Proportional to 15,402.14, 22,991.80 and 13,533.79

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Solution

The fourth proportional to 15,402.14, 22,991.80 and 13,533.79 is: 20,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,402.14 : 22,991.80 = 13,533.79 : x
  2. Step 2: Convert to fraction form
    15,402.14/22,991.80 = 13,533.79/x
  3. Step 3: Cross multiply
    15,402.14x = 22,991.80 × 13,533.79
  4. Step 4: Simplify right side
    15,402.14x = 311,166,077.96
  5. Step 5: Solve for x
    x = 311,166,077.96/15,402.14
  6. Step 6: Final answer
    x = 20,202.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.