Home / 13,239.43-19,846.78-4,468.21

Finding the Fourth Proportional to 13,239.43, 19,846.78 and 4,468.21

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Solution

The fourth proportional to 13,239.43, 19,846.78 and 4,468.21 is: 6,698.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239.43 : 19,846.78 = 4,468.21 : x
  2. Step 2: Convert to fraction form
    13,239.43/19,846.78 = 4,468.21/x
  3. Step 3: Cross multiply
    13,239.43x = 19,846.78 × 4,468.21
  4. Step 4: Simplify right side
    13,239.43x = 88,679,580.86
  5. Step 5: Solve for x
    x = 88,679,580.86/13,239.43
  6. Step 6: Final answer
    x = 6,698.14

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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.