Home / 11,239.81-15,510.74-6,204.20

Finding the Fourth Proportional to 11,239.81, 15,510.74 and 6,204.20

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Solution

The fourth proportional to 11,239.81, 15,510.74 and 6,204.20 is: 8,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.81 : 15,510.74 = 6,204.20 : x
  2. Step 2: Convert to fraction form
    11,239.81/15,510.74 = 6,204.20/x
  3. Step 3: Cross multiply
    11,239.81x = 15,510.74 × 6,204.20
  4. Step 4: Simplify right side
    11,239.81x = 96,231,659.43
  5. Step 5: Solve for x
    x = 96,231,659.43/11,239.81
  6. Step 6: Final answer
    x = 8,561.68

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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.