Home / 10,240.84-15,360.72-2,845.72

Finding the Fourth Proportional to 10,240.84, 15,360.72 and 2,845.72

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Solution

The fourth proportional to 10,240.84, 15,360.72 and 2,845.72 is: 4,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.84 : 15,360.72 = 2,845.72 : x
  2. Step 2: Convert to fraction form
    10,240.84/15,360.72 = 2,845.72/x
  3. Step 3: Cross multiply
    10,240.84x = 15,360.72 × 2,845.72
  4. Step 4: Simplify right side
    10,240.84x = 43,712,308.12
  5. Step 5: Solve for x
    x = 43,712,308.12/10,240.84
  6. Step 6: Final answer
    x = 4,268.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.