Home / 9,390.06-12,954.33-7,967.70

Finding the Fourth Proportional to 9,390.06, 12,954.33 and 7,967.70

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Solution

The fourth proportional to 9,390.06, 12,954.33 and 7,967.70 is: 10,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.06 : 12,954.33 = 7,967.70 : x
  2. Step 2: Convert to fraction form
    9,390.06/12,954.33 = 7,967.70/x
  3. Step 3: Cross multiply
    9,390.06x = 12,954.33 × 7,967.70
  4. Step 4: Simplify right side
    9,390.06x = 103,216,215.14
  5. Step 5: Solve for x
    x = 103,216,215.14/9,390.06
  6. Step 6: Final answer
    x = 10,992.07

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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.