Home / 14,186.00-21,279-14,165.51

Finding the Fourth Proportional to 14,186.00, 21,279 and 14,165.51

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Solution

The fourth proportional to 14,186.00, 21,279 and 14,165.51 is: 21,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.00 : 21,279 = 14,165.51 : x
  2. Step 2: Convert to fraction form
    14,186.00/21,279 = 14,165.51/x
  3. Step 3: Cross multiply
    14,186.00x = 21,279 × 14,165.51
  4. Step 4: Simplify right side
    14,186.00x = 301,427,780.90
  5. Step 5: Solve for x
    x = 301,427,780.90/14,186.00
  6. Step 6: Final answer
    x = 21,248.26

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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.