Home / 13,252.28-19,877.81-4,487.27

Finding the Fourth Proportional to 13,252.28, 19,877.81 and 4,487.27

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Solution

The fourth proportional to 13,252.28, 19,877.81 and 4,487.27 is: 6,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.28 : 19,877.81 = 4,487.27 : x
  2. Step 2: Convert to fraction form
    13,252.28/19,877.81 = 4,487.27/x
  3. Step 3: Cross multiply
    13,252.28x = 19,877.81 × 4,487.27
  4. Step 4: Simplify right side
    13,252.28x = 89,196,978.65
  5. Step 5: Solve for x
    x = 89,196,978.65/13,252.28
  6. Step 6: Final answer
    x = 6,730.69

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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.