Home / 13,850.30-19,113.36-7,800.06

Finding the Fourth Proportional to 13,850.30, 19,113.36 and 7,800.06

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Solution

The fourth proportional to 13,850.30, 19,113.36 and 7,800.06 is: 10,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.30 : 19,113.36 = 7,800.06 : x
  2. Step 2: Convert to fraction form
    13,850.30/19,113.36 = 7,800.06/x
  3. Step 3: Cross multiply
    13,850.30x = 19,113.36 × 7,800.06
  4. Step 4: Simplify right side
    13,850.30x = 149,085,354.80
  5. Step 5: Solve for x
    x = 149,085,354.80/13,850.30
  6. Step 6: Final answer
    x = 10,764.05

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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.