Home / 10,856.02-16,285.14-2,958.70

Finding the Fourth Proportional to 10,856.02, 16,285.14 and 2,958.70

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Solution

The fourth proportional to 10,856.02, 16,285.14 and 2,958.70 is: 4,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.02 : 16,285.14 = 2,958.70 : x
  2. Step 2: Convert to fraction form
    10,856.02/16,285.14 = 2,958.70/x
  3. Step 3: Cross multiply
    10,856.02x = 16,285.14 × 2,958.70
  4. Step 4: Simplify right side
    10,856.02x = 48,182,843.72
  5. Step 5: Solve for x
    x = 48,182,843.72/10,856.02
  6. Step 6: Final answer
    x = 4,438.35

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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.