Home / 13,071.52-19,607.28-3,837.60

Finding the Fourth Proportional to 13,071.52, 19,607.28 and 3,837.60

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Solution

The fourth proportional to 13,071.52, 19,607.28 and 3,837.60 is: 5,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.52 : 19,607.28 = 3,837.60 : x
  2. Step 2: Convert to fraction form
    13,071.52/19,607.28 = 3,837.60/x
  3. Step 3: Cross multiply
    13,071.52x = 19,607.28 × 3,837.60
  4. Step 4: Simplify right side
    13,071.52x = 75,244,897.73
  5. Step 5: Solve for x
    x = 75,244,897.73/13,071.52
  6. Step 6: Final answer
    x = 5,756.40

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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.