Home / 14,009.34-21,013.41-3,479.11

Finding the Fourth Proportional to 14,009.34, 21,013.41 and 3,479.11

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Solution

The fourth proportional to 14,009.34, 21,013.41 and 3,479.11 is: 5,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.34 : 21,013.41 = 3,479.11 : x
  2. Step 2: Convert to fraction form
    14,009.34/21,013.41 = 3,479.11/x
  3. Step 3: Cross multiply
    14,009.34x = 21,013.41 × 3,479.11
  4. Step 4: Simplify right side
    14,009.34x = 73,107,964.87
  5. Step 5: Solve for x
    x = 73,107,964.87/14,009.34
  6. Step 6: Final answer
    x = 5,218.52

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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.