Home / 10,955.20-16,435.14-4,029.70

Finding the Fourth Proportional to 10,955.20, 16,435.14 and 4,029.70

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Solution

The fourth proportional to 10,955.20, 16,435.14 and 4,029.70 is: 6,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.20 : 16,435.14 = 4,029.70 : x
  2. Step 2: Convert to fraction form
    10,955.20/16,435.14 = 4,029.70/x
  3. Step 3: Cross multiply
    10,955.20x = 16,435.14 × 4,029.70
  4. Step 4: Simplify right side
    10,955.20x = 66,228,683.66
  5. Step 5: Solve for x
    x = 66,228,683.66/10,955.20
  6. Step 6: Final answer
    x = 6,045.41

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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.