Home / 10,353.92-14,272.27-8,672.36

Finding the Fourth Proportional to 10,353.92, 14,272.27 and 8,672.36

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Solution

The fourth proportional to 10,353.92, 14,272.27 and 8,672.36 is: 11,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.92 : 14,272.27 = 8,672.36 : x
  2. Step 2: Convert to fraction form
    10,353.92/14,272.27 = 8,672.36/x
  3. Step 3: Cross multiply
    10,353.92x = 14,272.27 × 8,672.36
  4. Step 4: Simplify right side
    10,353.92x = 123,774,170.41
  5. Step 5: Solve for x
    x = 123,774,170.41/10,353.92
  6. Step 6: Final answer
    x = 11,954.34

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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.