Home / 10,299.77-14,219.19-8,056.88

Finding the Fourth Proportional to 10,299.77, 14,219.19 and 8,056.88

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Solution

The fourth proportional to 10,299.77, 14,219.19 and 8,056.88 is: 11,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.77 : 14,219.19 = 8,056.88 : x
  2. Step 2: Convert to fraction form
    10,299.77/14,219.19 = 8,056.88/x
  3. Step 3: Cross multiply
    10,299.77x = 14,219.19 × 8,056.88
  4. Step 4: Simplify right side
    10,299.77x = 114,562,236.43
  5. Step 5: Solve for x
    x = 114,562,236.43/10,299.77
  6. Step 6: Final answer
    x = 11,122.80

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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.