Home / 11,347.02-15,660.77-6,630.39

Finding the Fourth Proportional to 11,347.02, 15,660.77 and 6,630.39

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Solution

The fourth proportional to 11,347.02, 15,660.77 and 6,630.39 is: 9,151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.02 : 15,660.77 = 6,630.39 : x
  2. Step 2: Convert to fraction form
    11,347.02/15,660.77 = 6,630.39/x
  3. Step 3: Cross multiply
    11,347.02x = 15,660.77 × 6,630.39
  4. Step 4: Simplify right side
    11,347.02x = 103,836,979.65
  5. Step 5: Solve for x
    x = 103,836,979.65/11,347.02
  6. Step 6: Final answer
    x = 9,151.04

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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.