Home / 13,887.21-19,164.36-7,599.60

Finding the Fourth Proportional to 13,887.21, 19,164.36 and 7,599.60

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Solution

The fourth proportional to 13,887.21, 19,164.36 and 7,599.60 is: 10,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.21 : 19,164.36 = 7,599.60 : x
  2. Step 2: Convert to fraction form
    13,887.21/19,164.36 = 7,599.60/x
  3. Step 3: Cross multiply
    13,887.21x = 19,164.36 × 7,599.60
  4. Step 4: Simplify right side
    13,887.21x = 145,641,470.26
  5. Step 5: Solve for x
    x = 145,641,470.26/13,887.21
  6. Step 6: Final answer
    x = 10,487.45

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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.