Home / 14,058.30-21,087.45-3,670.05

Finding the Fourth Proportional to 14,058.30, 21,087.45 and 3,670.05

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Solution

The fourth proportional to 14,058.30, 21,087.45 and 3,670.05 is: 5,505.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,058.30 : 21,087.45 = 3,670.05 : x
  2. Step 2: Convert to fraction form
    14,058.30/21,087.45 = 3,670.05/x
  3. Step 3: Cross multiply
    14,058.30x = 21,087.45 × 3,670.05
  4. Step 4: Simplify right side
    14,058.30x = 77,391,995.87
  5. Step 5: Solve for x
    x = 77,391,995.87/14,058.30
  6. Step 6: Final answer
    x = 5,505.08

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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.