Home / 10,018.26-13,823.55-6,240.81

Finding the Fourth Proportional to 10,018.26, 13,823.55 and 6,240.81

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Solution

The fourth proportional to 10,018.26, 13,823.55 and 6,240.81 is: 8,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.26 : 13,823.55 = 6,240.81 : x
  2. Step 2: Convert to fraction form
    10,018.26/13,823.55 = 6,240.81/x
  3. Step 3: Cross multiply
    10,018.26x = 13,823.55 × 6,240.81
  4. Step 4: Simplify right side
    10,018.26x = 86,270,149.08
  5. Step 5: Solve for x
    x = 86,270,149.08/10,018.26
  6. Step 6: Final answer
    x = 8,611.29

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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.