Home / 10,859.92-14,981.52-6,886.96

Finding the Fourth Proportional to 10,859.92, 14,981.52 and 6,886.96

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Solution

The fourth proportional to 10,859.92, 14,981.52 and 6,886.96 is: 9,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.92 : 14,981.52 = 6,886.96 : x
  2. Step 2: Convert to fraction form
    10,859.92/14,981.52 = 6,886.96/x
  3. Step 3: Cross multiply
    10,859.92x = 14,981.52 × 6,886.96
  4. Step 4: Simplify right side
    10,859.92x = 103,177,128.98
  5. Step 5: Solve for x
    x = 103,177,128.98/10,859.92
  6. Step 6: Final answer
    x = 9,500.73

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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.