Home / 10,010.28-13,815.84-5,977.68

Finding the Fourth Proportional to 10,010.28, 13,815.84 and 5,977.68

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Solution

The fourth proportional to 10,010.28, 13,815.84 and 5,977.68 is: 8,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.28 : 13,815.84 = 5,977.68 : x
  2. Step 2: Convert to fraction form
    10,010.28/13,815.84 = 5,977.68/x
  3. Step 3: Cross multiply
    10,010.28x = 13,815.84 × 5,977.68
  4. Step 4: Simplify right side
    10,010.28x = 82,586,670.45
  5. Step 5: Solve for x
    x = 82,586,670.45/10,010.28
  6. Step 6: Final answer
    x = 8,250.19

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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.