Home / 13,950.49-19,251.76-7,577.21

Finding the Fourth Proportional to 13,950.49, 19,251.76 and 7,577.21

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Solution

The fourth proportional to 13,950.49, 19,251.76 and 7,577.21 is: 10,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.49 : 19,251.76 = 7,577.21 : x
  2. Step 2: Convert to fraction form
    13,950.49/19,251.76 = 7,577.21/x
  3. Step 3: Cross multiply
    13,950.49x = 19,251.76 × 7,577.21
  4. Step 4: Simplify right side
    13,950.49x = 145,874,628.39
  5. Step 5: Solve for x
    x = 145,874,628.39/13,950.49
  6. Step 6: Final answer
    x = 10,456.60

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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.