Home / 9,999.38-14,990.97-4,160.36

Finding the Fourth Proportional to 9,999.38, 14,990.97 and 4,160.36

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Solution

The fourth proportional to 9,999.38, 14,990.97 and 4,160.36 is: 6,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.38 : 14,990.97 = 4,160.36 : x
  2. Step 2: Convert to fraction form
    9,999.38/14,990.97 = 4,160.36/x
  3. Step 3: Cross multiply
    9,999.38x = 14,990.97 × 4,160.36
  4. Step 4: Simplify right side
    9,999.38x = 62,367,885.03
  5. Step 5: Solve for x
    x = 62,367,885.03/9,999.38
  6. Step 6: Final answer
    x = 6,237.17

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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.