Home / 14,990.06-22,485.21-5,129.43

Finding the Fourth Proportional to 14,990.06, 22,485.21 and 5,129.43

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Solution

The fourth proportional to 14,990.06, 22,485.21 and 5,129.43 is: 7,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.06 : 22,485.21 = 5,129.43 : x
  2. Step 2: Convert to fraction form
    14,990.06/22,485.21 = 5,129.43/x
  3. Step 3: Cross multiply
    14,990.06x = 22,485.21 × 5,129.43
  4. Step 4: Simplify right side
    14,990.06x = 115,336,214.39
  5. Step 5: Solve for x
    x = 115,336,214.39/14,990.06
  6. Step 6: Final answer
    x = 7,694.18

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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.