Home / 10,671.14-16,010.85-4,429.59

Finding the Fourth Proportional to 10,671.14, 16,010.85 and 4,429.59

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Solution

The fourth proportional to 10,671.14, 16,010.85 and 4,429.59 is: 6,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.14 : 16,010.85 = 4,429.59 : x
  2. Step 2: Convert to fraction form
    10,671.14/16,010.85 = 4,429.59/x
  3. Step 3: Cross multiply
    10,671.14x = 16,010.85 × 4,429.59
  4. Step 4: Simplify right side
    10,671.14x = 70,921,501.05
  5. Step 5: Solve for x
    x = 70,921,501.05/10,671.14
  6. Step 6: Final answer
    x = 6,646.11

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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.