Home / 18,294.49-27,444.34-5,645.31

Finding the Fourth Proportional to 18,294.49, 27,444.34 and 5,645.31

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Solution

The fourth proportional to 18,294.49, 27,444.34 and 5,645.31 is: 8,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.49 : 27,444.34 = 5,645.31 : x
  2. Step 2: Convert to fraction form
    18,294.49/27,444.34 = 5,645.31/x
  3. Step 3: Cross multiply
    18,294.49x = 27,444.34 × 5,645.31
  4. Step 4: Simplify right side
    18,294.49x = 154,931,807.05
  5. Step 5: Solve for x
    x = 154,931,807.05/18,294.49
  6. Step 6: Final answer
    x = 8,468.77

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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.