Home / 18,215.17-27,293.38-14,336.89

Finding the Fourth Proportional to 18,215.17, 27,293.38 and 14,336.89

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Solution

The fourth proportional to 18,215.17, 27,293.38 and 14,336.89 is: 21,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.17 : 27,293.38 = 14,336.89 : x
  2. Step 2: Convert to fraction form
    18,215.17/27,293.38 = 14,336.89/x
  3. Step 3: Cross multiply
    18,215.17x = 27,293.38 × 14,336.89
  4. Step 4: Simplify right side
    18,215.17x = 391,302,186.79
  5. Step 5: Solve for x
    x = 391,302,186.79/18,215.17
  6. Step 6: Final answer
    x = 21,482.21

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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.