Home / 13,071.38-19,607.04-5,674.88

Finding the Fourth Proportional to 13,071.38, 19,607.04 and 5,674.88

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Solution

The fourth proportional to 13,071.38, 19,607.04 and 5,674.88 is: 8,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.38 : 19,607.04 = 5,674.88 : x
  2. Step 2: Convert to fraction form
    13,071.38/19,607.04 = 5,674.88/x
  3. Step 3: Cross multiply
    13,071.38x = 19,607.04 × 5,674.88
  4. Step 4: Simplify right side
    13,071.38x = 111,267,599.16
  5. Step 5: Solve for x
    x = 111,267,599.16/13,071.38
  6. Step 6: Final answer
    x = 8,512.31

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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.