Home / 10,393.11-14,345.91-8,272.53

Finding the Fourth Proportional to 10,393.11, 14,345.91 and 8,272.53

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Solution

The fourth proportional to 10,393.11, 14,345.91 and 8,272.53 is: 11,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.11 : 14,345.91 = 8,272.53 : x
  2. Step 2: Convert to fraction form
    10,393.11/14,345.91 = 8,272.53/x
  3. Step 3: Cross multiply
    10,393.11x = 14,345.91 × 8,272.53
  4. Step 4: Simplify right side
    10,393.11x = 118,676,970.85
  5. Step 5: Solve for x
    x = 118,676,970.85/10,393.11
  6. Step 6: Final answer
    x = 11,418.81

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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.