Home / 13,887.40-19,164.84-7,600.12

Finding the Fourth Proportional to 13,887.40, 19,164.84 and 7,600.12

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Solution

The fourth proportional to 13,887.40, 19,164.84 and 7,600.12 is: 10,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.40 : 19,164.84 = 7,600.12 : x
  2. Step 2: Convert to fraction form
    13,887.40/19,164.84 = 7,600.12/x
  3. Step 3: Cross multiply
    13,887.40x = 19,164.84 × 7,600.12
  4. Step 4: Simplify right side
    13,887.40x = 145,655,083.78
  5. Step 5: Solve for x
    x = 145,655,083.78/13,887.40
  6. Step 6: Final answer
    x = 10,488.29

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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.