Home / 10,380.06-15,570.09-2,588.85

Finding the Fourth Proportional to 10,380.06, 15,570.09 and 2,588.85

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Solution

The fourth proportional to 10,380.06, 15,570.09 and 2,588.85 is: 3,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.06 : 15,570.09 = 2,588.85 : x
  2. Step 2: Convert to fraction form
    10,380.06/15,570.09 = 2,588.85/x
  3. Step 3: Cross multiply
    10,380.06x = 15,570.09 × 2,588.85
  4. Step 4: Simplify right side
    10,380.06x = 40,308,627.50
  5. Step 5: Solve for x
    x = 40,308,627.50/10,380.06
  6. Step 6: Final answer
    x = 3,883.28

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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.