Home / 13,015.76-19,521.60-4,248.74

Finding the Fourth Proportional to 13,015.76, 19,521.60 and 4,248.74

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Solution

The fourth proportional to 13,015.76, 19,521.60 and 4,248.74 is: 6,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.76 : 19,521.60 = 4,248.74 : x
  2. Step 2: Convert to fraction form
    13,015.76/19,521.60 = 4,248.74/x
  3. Step 3: Cross multiply
    13,015.76x = 19,521.60 × 4,248.74
  4. Step 4: Simplify right side
    13,015.76x = 82,942,202.78
  5. Step 5: Solve for x
    x = 82,942,202.78/13,015.76
  6. Step 6: Final answer
    x = 6,372.44

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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.