Home / 13,847.76-19,110.33-7,880.29

Finding the Fourth Proportional to 13,847.76, 19,110.33 and 7,880.29

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Solution

The fourth proportional to 13,847.76, 19,110.33 and 7,880.29 is: 10,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.76 : 19,110.33 = 7,880.29 : x
  2. Step 2: Convert to fraction form
    13,847.76/19,110.33 = 7,880.29/x
  3. Step 3: Cross multiply
    13,847.76x = 19,110.33 × 7,880.29
  4. Step 4: Simplify right side
    13,847.76x = 150,594,894.62
  5. Step 5: Solve for x
    x = 150,594,894.62/13,847.76
  6. Step 6: Final answer
    x = 10,875.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.