Home / 13,887.20-19,164.32-7,599.57

Finding the Fourth Proportional to 13,887.20, 19,164.32 and 7,599.57

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Solution

The fourth proportional to 13,887.20, 19,164.32 and 7,599.57 is: 10,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.20 : 19,164.32 = 7,599.57 : x
  2. Step 2: Convert to fraction form
    13,887.20/19,164.32 = 7,599.57/x
  3. Step 3: Cross multiply
    13,887.20x = 19,164.32 × 7,599.57
  4. Step 4: Simplify right side
    13,887.20x = 145,640,553.34
  5. Step 5: Solve for x
    x = 145,640,553.34/13,887.20
  6. Step 6: Final answer
    x = 10,487.40

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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.