Home / 11,344.79-15,656.09-6,309.23

Finding the Fourth Proportional to 11,344.79, 15,656.09 and 6,309.23

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Solution

The fourth proportional to 11,344.79, 15,656.09 and 6,309.23 is: 8,706.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.79 : 15,656.09 = 6,309.23 : x
  2. Step 2: Convert to fraction form
    11,344.79/15,656.09 = 6,309.23/x
  3. Step 3: Cross multiply
    11,344.79x = 15,656.09 × 6,309.23
  4. Step 4: Simplify right side
    11,344.79x = 98,777,762.88
  5. Step 5: Solve for x
    x = 98,777,762.88/11,344.79
  6. Step 6: Final answer
    x = 8,706.88

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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.