Home / 18,291.49-27,434.38-5,809.88

Finding the Fourth Proportional to 18,291.49, 27,434.38 and 5,809.88

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Solution

The fourth proportional to 18,291.49, 27,434.38 and 5,809.88 is: 8,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.49 : 27,434.38 = 5,809.88 : x
  2. Step 2: Convert to fraction form
    18,291.49/27,434.38 = 5,809.88/x
  3. Step 3: Cross multiply
    18,291.49x = 27,434.38 × 5,809.88
  4. Step 4: Simplify right side
    18,291.49x = 159,390,455.67
  5. Step 5: Solve for x
    x = 159,390,455.67/18,291.49
  6. Step 6: Final answer
    x = 8,713.91

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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.