Home / 18,213.50-27,326.73-8,985.98

Finding the Fourth Proportional to 18,213.50, 27,326.73 and 8,985.98

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Solution

The fourth proportional to 18,213.50, 27,326.73 and 8,985.98 is: 13,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.50 : 27,326.73 = 8,985.98 : x
  2. Step 2: Convert to fraction form
    18,213.50/27,326.73 = 8,985.98/x
  3. Step 3: Cross multiply
    18,213.50x = 27,326.73 × 8,985.98
  4. Step 4: Simplify right side
    18,213.50x = 245,557,449.25
  5. Step 5: Solve for x
    x = 245,557,449.25/18,213.50
  6. Step 6: Final answer
    x = 13,482.17

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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.