Home / 10,856.12-16,297.47-7,161.44

Finding the Fourth Proportional to 10,856.12, 16,297.47 and 7,161.44

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Solution

The fourth proportional to 10,856.12, 16,297.47 and 7,161.44 is: 10,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.12 : 16,297.47 = 7,161.44 : x
  2. Step 2: Convert to fraction form
    10,856.12/16,297.47 = 7,161.44/x
  3. Step 3: Cross multiply
    10,856.12x = 16,297.47 × 7,161.44
  4. Step 4: Simplify right side
    10,856.12x = 116,713,272.07
  5. Step 5: Solve for x
    x = 116,713,272.07/10,856.12
  6. Step 6: Final answer
    x = 10,750.92

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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.