Home / 10,785.97-16,153.44-6,878.53

Finding the Fourth Proportional to 10,785.97, 16,153.44 and 6,878.53

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Solution

The fourth proportional to 10,785.97, 16,153.44 and 6,878.53 is: 10,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.97 : 16,153.44 = 6,878.53 : x
  2. Step 2: Convert to fraction form
    10,785.97/16,153.44 = 6,878.53/x
  3. Step 3: Cross multiply
    10,785.97x = 16,153.44 × 6,878.53
  4. Step 4: Simplify right side
    10,785.97x = 111,111,921.64
  5. Step 5: Solve for x
    x = 111,111,921.64/10,785.97
  6. Step 6: Final answer
    x = 10,301.52

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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.