Home / 10,958.51-15,121.86-6,707.79

Finding the Fourth Proportional to 10,958.51, 15,121.86 and 6,707.79

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Solution

The fourth proportional to 10,958.51, 15,121.86 and 6,707.79 is: 9,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.51 : 15,121.86 = 6,707.79 : x
  2. Step 2: Convert to fraction form
    10,958.51/15,121.86 = 6,707.79/x
  3. Step 3: Cross multiply
    10,958.51x = 15,121.86 × 6,707.79
  4. Step 4: Simplify right side
    10,958.51x = 101,434,261.29
  5. Step 5: Solve for x
    x = 101,434,261.29/10,958.51
  6. Step 6: Final answer
    x = 9,256.21

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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.