Home / 10,711.40-16,070.62-4,138.60

Finding the Fourth Proportional to 10,711.40, 16,070.62 and 4,138.60

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Solution

The fourth proportional to 10,711.40, 16,070.62 and 4,138.60 is: 6,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.40 : 16,070.62 = 4,138.60 : x
  2. Step 2: Convert to fraction form
    10,711.40/16,070.62 = 4,138.60/x
  3. Step 3: Cross multiply
    10,711.40x = 16,070.62 × 4,138.60
  4. Step 4: Simplify right side
    10,711.40x = 66,509,867.93
  5. Step 5: Solve for x
    x = 66,509,867.93/10,711.40
  6. Step 6: Final answer
    x = 6,209.26

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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.