Home / 18,158.72-27,212.55-14,444.48

Finding the Fourth Proportional to 18,158.72, 27,212.55 and 14,444.48

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Solution

The fourth proportional to 18,158.72, 27,212.55 and 14,444.48 is: 21,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.72 : 27,212.55 = 14,444.48 : x
  2. Step 2: Convert to fraction form
    18,158.72/27,212.55 = 14,444.48/x
  3. Step 3: Cross multiply
    18,158.72x = 27,212.55 × 14,444.48
  4. Step 4: Simplify right side
    18,158.72x = 393,071,134.22
  5. Step 5: Solve for x
    x = 393,071,134.22/18,158.72
  6. Step 6: Final answer
    x = 21,646.41

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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.