Home / 10,615.86-14,645.80-6,838.73

Finding the Fourth Proportional to 10,615.86, 14,645.80 and 6,838.73

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Solution

The fourth proportional to 10,615.86, 14,645.80 and 6,838.73 is: 9,434.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.86 : 14,645.80 = 6,838.73 : x
  2. Step 2: Convert to fraction form
    10,615.86/14,645.80 = 6,838.73/x
  3. Step 3: Cross multiply
    10,615.86x = 14,645.80 × 6,838.73
  4. Step 4: Simplify right side
    10,615.86x = 100,158,671.83
  5. Step 5: Solve for x
    x = 100,158,671.83/10,615.86
  6. Step 6: Final answer
    x = 9,434.81

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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.