Home / 13,731.87-18,950.03-7,444.25

Finding the Fourth Proportional to 13,731.87, 18,950.03 and 7,444.25

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Solution

The fourth proportional to 13,731.87, 18,950.03 and 7,444.25 is: 10,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.87 : 18,950.03 = 7,444.25 : x
  2. Step 2: Convert to fraction form
    13,731.87/18,950.03 = 7,444.25/x
  3. Step 3: Cross multiply
    13,731.87x = 18,950.03 × 7,444.25
  4. Step 4: Simplify right side
    13,731.87x = 141,068,628.86
  5. Step 5: Solve for x
    x = 141,068,628.86/13,731.87
  6. Step 6: Final answer
    x = 10,273.08

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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.