Home / 10,906.47-15,050.40-6,125.83

Finding the Fourth Proportional to 10,906.47, 15,050.40 and 6,125.83

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Solution

The fourth proportional to 10,906.47, 15,050.40 and 6,125.83 is: 8,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.47 : 15,050.40 = 6,125.83 : x
  2. Step 2: Convert to fraction form
    10,906.47/15,050.40 = 6,125.83/x
  3. Step 3: Cross multiply
    10,906.47x = 15,050.40 × 6,125.83
  4. Step 4: Simplify right side
    10,906.47x = 92,196,187.67
  5. Step 5: Solve for x
    x = 92,196,187.67/10,906.47
  6. Step 6: Final answer
    x = 8,453.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.