Home / 10,820.28-14,930.50-6,039.64

Finding the Fourth Proportional to 10,820.28, 14,930.50 and 6,039.64

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Solution

The fourth proportional to 10,820.28, 14,930.50 and 6,039.64 is: 8,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.28 : 14,930.50 = 6,039.64 : x
  2. Step 2: Convert to fraction form
    10,820.28/14,930.50 = 6,039.64/x
  3. Step 3: Cross multiply
    10,820.28x = 14,930.50 × 6,039.64
  4. Step 4: Simplify right side
    10,820.28x = 90,174,845.02
  5. Step 5: Solve for x
    x = 90,174,845.02/10,820.28
  6. Step 6: Final answer
    x = 8,333.87

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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.