Home / 10,856.69-16,285.07-2,648.69

Finding the Fourth Proportional to 10,856.69, 16,285.07 and 2,648.69

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Solution

The fourth proportional to 10,856.69, 16,285.07 and 2,648.69 is: 3,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.69 : 16,285.07 = 2,648.69 : x
  2. Step 2: Convert to fraction form
    10,856.69/16,285.07 = 2,648.69/x
  3. Step 3: Cross multiply
    10,856.69x = 16,285.07 × 2,648.69
  4. Step 4: Simplify right side
    10,856.69x = 43,134,102.06
  5. Step 5: Solve for x
    x = 43,134,102.06/10,856.69
  6. Step 6: Final answer
    x = 3,973.04

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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.