Home / 10,261.28-14,163.26-6,685.16

Finding the Fourth Proportional to 10,261.28, 14,163.26 and 6,685.16

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Solution

The fourth proportional to 10,261.28, 14,163.26 and 6,685.16 is: 9,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.28 : 14,163.26 = 6,685.16 : x
  2. Step 2: Convert to fraction form
    10,261.28/14,163.26 = 6,685.16/x
  3. Step 3: Cross multiply
    10,261.28x = 14,163.26 × 6,685.16
  4. Step 4: Simplify right side
    10,261.28x = 94,683,594.81
  5. Step 5: Solve for x
    x = 94,683,594.81/10,261.28
  6. Step 6: Final answer
    x = 9,227.27

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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.