Home / 13,973.04-20,959.11-3,443.13

Finding the Fourth Proportional to 13,973.04, 20,959.11 and 3,443.13

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Solution

The fourth proportional to 13,973.04, 20,959.11 and 3,443.13 is: 5,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.04 : 20,959.11 = 3,443.13 : x
  2. Step 2: Convert to fraction form
    13,973.04/20,959.11 = 3,443.13/x
  3. Step 3: Cross multiply
    13,973.04x = 20,959.11 × 3,443.13
  4. Step 4: Simplify right side
    13,973.04x = 72,164,940.41
  5. Step 5: Solve for x
    x = 72,164,940.41/13,973.04
  6. Step 6: Final answer
    x = 5,164.58

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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.