Home / 13,212.92-19,818.36-4,889.02

Finding the Fourth Proportional to 13,212.92, 19,818.36 and 4,889.02

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Solution

The fourth proportional to 13,212.92, 19,818.36 and 4,889.02 is: 7,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.92 : 19,818.36 = 4,889.02 : x
  2. Step 2: Convert to fraction form
    13,212.92/19,818.36 = 4,889.02/x
  3. Step 3: Cross multiply
    13,212.92x = 19,818.36 × 4,889.02
  4. Step 4: Simplify right side
    13,212.92x = 96,892,358.41
  5. Step 5: Solve for x
    x = 96,892,358.41/13,212.92
  6. Step 6: Final answer
    x = 7,333.15

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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.