Home / 14,112.48-21,170.40-3,724.32

Finding the Fourth Proportional to 14,112.48, 21,170.40 and 3,724.32

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Solution

The fourth proportional to 14,112.48, 21,170.40 and 3,724.32 is: 5,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.48 : 21,170.40 = 3,724.32 : x
  2. Step 2: Convert to fraction form
    14,112.48/21,170.40 = 3,724.32/x
  3. Step 3: Cross multiply
    14,112.48x = 21,170.40 × 3,724.32
  4. Step 4: Simplify right side
    14,112.48x = 78,845,344.13
  5. Step 5: Solve for x
    x = 78,845,344.13/14,112.48
  6. Step 6: Final answer
    x = 5,586.92

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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.