Home / 14,509.14-20,019.87-13,770.96

Finding the Fourth Proportional to 14,509.14, 20,019.87 and 13,770.96

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Solution

The fourth proportional to 14,509.14, 20,019.87 and 13,770.96 is: 19,001.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.14 : 20,019.87 = 13,770.96 : x
  2. Step 2: Convert to fraction form
    14,509.14/20,019.87 = 13,770.96/x
  3. Step 3: Cross multiply
    14,509.14x = 20,019.87 × 13,770.96
  4. Step 4: Simplify right side
    14,509.14x = 275,692,828.98
  5. Step 5: Solve for x
    x = 275,692,828.98/14,509.14
  6. Step 6: Final answer
    x = 19,001.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.