Home / 9,990.36-14,957.79-6,484.44

Finding the Fourth Proportional to 9,990.36, 14,957.79 and 6,484.44

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Solution

The fourth proportional to 9,990.36, 14,957.79 and 6,484.44 is: 9,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.36 : 14,957.79 = 6,484.44 : x
  2. Step 2: Convert to fraction form
    9,990.36/14,957.79 = 6,484.44/x
  3. Step 3: Cross multiply
    9,990.36x = 14,957.79 × 6,484.44
  4. Step 4: Simplify right side
    9,990.36x = 96,992,891.79
  5. Step 5: Solve for x
    x = 96,992,891.79/9,990.36
  6. Step 6: Final answer
    x = 9,708.65

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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.