Home / 11,390.60-15,712.71-6,673.97

Finding the Fourth Proportional to 11,390.60, 15,712.71 and 6,673.97

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Solution

The fourth proportional to 11,390.60, 15,712.71 and 6,673.97 is: 9,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.60 : 15,712.71 = 6,673.97 : x
  2. Step 2: Convert to fraction form
    11,390.60/15,712.71 = 6,673.97/x
  3. Step 3: Cross multiply
    11,390.60x = 15,712.71 × 6,673.97
  4. Step 4: Simplify right side
    11,390.60x = 104,866,155.16
  5. Step 5: Solve for x
    x = 104,866,155.16/11,390.60
  6. Step 6: Final answer
    x = 9,206.38

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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.