Home / 10,180.35-15,273.86-6,427.80

Finding the Fourth Proportional to 10,180.35, 15,273.86 and 6,427.80

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Solution

The fourth proportional to 10,180.35, 15,273.86 and 6,427.80 is: 9,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.35 : 15,273.86 = 6,427.80 : x
  2. Step 2: Convert to fraction form
    10,180.35/15,273.86 = 6,427.80/x
  3. Step 3: Cross multiply
    10,180.35x = 15,273.86 × 6,427.80
  4. Step 4: Simplify right side
    10,180.35x = 98,177,285.17
  5. Step 5: Solve for x
    x = 98,177,285.17/10,180.35
  6. Step 6: Final answer
    x = 9,643.80

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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.