Home / 14,353.80-21,425.08-13,326.72

Finding the Fourth Proportional to 14,353.80, 21,425.08 and 13,326.72

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Solution

The fourth proportional to 14,353.80, 21,425.08 and 13,326.72 is: 19,892.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.80 : 21,425.08 = 13,326.72 : x
  2. Step 2: Convert to fraction form
    14,353.80/21,425.08 = 13,326.72/x
  3. Step 3: Cross multiply
    14,353.80x = 21,425.08 × 13,326.72
  4. Step 4: Simplify right side
    14,353.80x = 285,526,042.14
  5. Step 5: Solve for x
    x = 285,526,042.14/14,353.80
  6. Step 6: Final answer
    x = 19,892.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.