Home / 10,261.71-14,161.19-5,785.47

Finding the Fourth Proportional to 10,261.71, 14,161.19 and 5,785.47

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Solution

The fourth proportional to 10,261.71, 14,161.19 and 5,785.47 is: 7,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.71 : 14,161.19 = 5,785.47 : x
  2. Step 2: Convert to fraction form
    10,261.71/14,161.19 = 5,785.47/x
  3. Step 3: Cross multiply
    10,261.71x = 14,161.19 × 5,785.47
  4. Step 4: Simplify right side
    10,261.71x = 81,929,110.98
  5. Step 5: Solve for x
    x = 81,929,110.98/10,261.71
  6. Step 6: Final answer
    x = 7,983.96

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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.