Home / 13,724.96-18,940.52-7,437.32

Finding the Fourth Proportional to 13,724.96, 18,940.52 and 7,437.32

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Solution

The fourth proportional to 13,724.96, 18,940.52 and 7,437.32 is: 10,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.96 : 18,940.52 = 7,437.32 : x
  2. Step 2: Convert to fraction form
    13,724.96/18,940.52 = 7,437.32/x
  3. Step 3: Cross multiply
    13,724.96x = 18,940.52 × 7,437.32
  4. Step 4: Simplify right side
    13,724.96x = 140,866,708.21
  5. Step 5: Solve for x
    x = 140,866,708.21/13,724.96
  6. Step 6: Final answer
    x = 10,263.54

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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.