Home / 13,340.96-19,953.12-9,326.72

Finding the Fourth Proportional to 13,340.96, 19,953.12 and 9,326.72

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Solution

The fourth proportional to 13,340.96, 19,953.12 and 9,326.72 is: 13,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.96 : 19,953.12 = 9,326.72 : x
  2. Step 2: Convert to fraction form
    13,340.96/19,953.12 = 9,326.72/x
  3. Step 3: Cross multiply
    13,340.96x = 19,953.12 × 9,326.72
  4. Step 4: Simplify right side
    13,340.96x = 186,097,163.37
  5. Step 5: Solve for x
    x = 186,097,163.37/13,340.96
  6. Step 6: Final answer
    x = 13,949.31

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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.