Home / 13,284.58-19,871.38-9,335.56

Finding the Fourth Proportional to 13,284.58, 19,871.38 and 9,335.56

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Solution

The fourth proportional to 13,284.58, 19,871.38 and 9,335.56 is: 13,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.58 : 19,871.38 = 9,335.56 : x
  2. Step 2: Convert to fraction form
    13,284.58/19,871.38 = 9,335.56/x
  3. Step 3: Cross multiply
    13,284.58x = 19,871.38 × 9,335.56
  4. Step 4: Simplify right side
    13,284.58x = 185,510,460.27
  5. Step 5: Solve for x
    x = 185,510,460.27/13,284.58
  6. Step 6: Final answer
    x = 13,964.35

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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.