Home / 14,179.76-21,232.47-9,997.12

Finding the Fourth Proportional to 14,179.76, 21,232.47 and 9,997.12

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Solution

The fourth proportional to 14,179.76, 21,232.47 and 9,997.12 is: 14,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.76 : 21,232.47 = 9,997.12 : x
  2. Step 2: Convert to fraction form
    14,179.76/21,232.47 = 9,997.12/x
  3. Step 3: Cross multiply
    14,179.76x = 21,232.47 × 9,997.12
  4. Step 4: Simplify right side
    14,179.76x = 212,263,444.32
  5. Step 5: Solve for x
    x = 212,263,444.32/14,179.76
  6. Step 6: Final answer
    x = 14,969.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.