Home / 10,819.86-14,940.51-6,847.98

Finding the Fourth Proportional to 10,819.86, 14,940.51 and 6,847.98

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Solution

The fourth proportional to 10,819.86, 14,940.51 and 6,847.98 is: 9,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.86 : 14,940.51 = 6,847.98 : x
  2. Step 2: Convert to fraction form
    10,819.86/14,940.51 = 6,847.98/x
  3. Step 3: Cross multiply
    10,819.86x = 14,940.51 × 6,847.98
  4. Step 4: Simplify right side
    10,819.86x = 102,312,313.67
  5. Step 5: Solve for x
    x = 102,312,313.67/10,819.86
  6. Step 6: Final answer
    x = 9,455.97

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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.