Home / 13,843.71-19,103.45-7,875.02

Finding the Fourth Proportional to 13,843.71, 19,103.45 and 7,875.02

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Solution

The fourth proportional to 13,843.71, 19,103.45 and 7,875.02 is: 10,867.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.71 : 19,103.45 = 7,875.02 : x
  2. Step 2: Convert to fraction form
    13,843.71/19,103.45 = 7,875.02/x
  3. Step 3: Cross multiply
    13,843.71x = 19,103.45 × 7,875.02
  4. Step 4: Simplify right side
    13,843.71x = 150,440,059.20
  5. Step 5: Solve for x
    x = 150,440,059.20/13,843.71
  6. Step 6: Final answer
    x = 10,867.03

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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.