Home / 14,365.98-21,567.20-13,775.49

Finding the Fourth Proportional to 14,365.98, 21,567.20 and 13,775.49

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Solution

The fourth proportional to 14,365.98, 21,567.20 and 13,775.49 is: 20,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365.98 : 21,567.20 = 13,775.49 : x
  2. Step 2: Convert to fraction form
    14,365.98/21,567.20 = 13,775.49/x
  3. Step 3: Cross multiply
    14,365.98x = 21,567.20 × 13,775.49
  4. Step 4: Simplify right side
    14,365.98x = 297,098,679.05
  5. Step 5: Solve for x
    x = 297,098,679.05/14,365.98
  6. Step 6: Final answer
    x = 20,680.71

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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.