Home / 13,378.08-20,071.68-5,060.52

Finding the Fourth Proportional to 13,378.08, 20,071.68 and 5,060.52

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Solution

The fourth proportional to 13,378.08, 20,071.68 and 5,060.52 is: 7,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.08 : 20,071.68 = 5,060.52 : x
  2. Step 2: Convert to fraction form
    13,378.08/20,071.68 = 5,060.52/x
  3. Step 3: Cross multiply
    13,378.08x = 20,071.68 × 5,060.52
  4. Step 4: Simplify right side
    13,378.08x = 101,573,138.07
  5. Step 5: Solve for x
    x = 101,573,138.07/13,378.08
  6. Step 6: Final answer
    x = 7,592.50

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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.