Home / 9,959.70-14,939.55-2,939.81

Finding the Fourth Proportional to 9,959.70, 14,939.55 and 2,939.81

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Solution

The fourth proportional to 9,959.70, 14,939.55 and 2,939.81 is: 4,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.70 : 14,939.55 = 2,939.81 : x
  2. Step 2: Convert to fraction form
    9,959.70/14,939.55 = 2,939.81/x
  3. Step 3: Cross multiply
    9,959.70x = 14,939.55 × 2,939.81
  4. Step 4: Simplify right side
    9,959.70x = 43,919,438.49
  5. Step 5: Solve for x
    x = 43,919,438.49/9,959.70
  6. Step 6: Final answer
    x = 4,409.72

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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.