Home / 14,481.28-19,970.50-9,449.36

Finding the Fourth Proportional to 14,481.28, 19,970.50 and 9,449.36

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Solution

The fourth proportional to 14,481.28, 19,970.50 and 9,449.36 is: 13,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.28 : 19,970.50 = 9,449.36 : x
  2. Step 2: Convert to fraction form
    14,481.28/19,970.50 = 9,449.36/x
  3. Step 3: Cross multiply
    14,481.28x = 19,970.50 × 9,449.36
  4. Step 4: Simplify right side
    14,481.28x = 188,708,413.01
  5. Step 5: Solve for x
    x = 188,708,413.01/14,481.28
  6. Step 6: Final answer
    x = 13,031.20

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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.