Home / 10,856.76-16,284.87-3,065.46

Finding the Fourth Proportional to 10,856.76, 16,284.87 and 3,065.46

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Solution

The fourth proportional to 10,856.76, 16,284.87 and 3,065.46 is: 4,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.76 : 16,284.87 = 3,065.46 : x
  2. Step 2: Convert to fraction form
    10,856.76/16,284.87 = 3,065.46/x
  3. Step 3: Cross multiply
    10,856.76x = 16,284.87 × 3,065.46
  4. Step 4: Simplify right side
    10,856.76x = 49,920,617.59
  5. Step 5: Solve for x
    x = 49,920,617.59/10,856.76
  6. Step 6: Final answer
    x = 4,598.11

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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.