Home / 13,243.46-19,882.55-8,880.44

Finding the Fourth Proportional to 13,243.46, 19,882.55 and 8,880.44

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Solution

The fourth proportional to 13,243.46, 19,882.55 and 8,880.44 is: 13,332.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.46 : 19,882.55 = 8,880.44 : x
  2. Step 2: Convert to fraction form
    13,243.46/19,882.55 = 8,880.44/x
  3. Step 3: Cross multiply
    13,243.46x = 19,882.55 × 8,880.44
  4. Step 4: Simplify right side
    13,243.46x = 176,565,648.51
  5. Step 5: Solve for x
    x = 176,565,648.51/13,243.46
  6. Step 6: Final answer
    x = 13,332.29

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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.