Home / 12,071.36-18,103.76-3,304.16

Finding the Fourth Proportional to 12,071.36, 18,103.76 and 3,304.16

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Solution

The fourth proportional to 12,071.36, 18,103.76 and 3,304.16 is: 4,955.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.36 : 18,103.76 = 3,304.16 : x
  2. Step 2: Convert to fraction form
    12,071.36/18,103.76 = 3,304.16/x
  3. Step 3: Cross multiply
    12,071.36x = 18,103.76 × 3,304.16
  4. Step 4: Simplify right side
    12,071.36x = 59,817,719.64
  5. Step 5: Solve for x
    x = 59,817,719.64/12,071.36
  6. Step 6: Final answer
    x = 4,955.34

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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.