Home / 10,220.06-15,317.34-8,827.70

Finding the Fourth Proportional to 10,220.06, 15,317.34 and 8,827.70

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Solution

The fourth proportional to 10,220.06, 15,317.34 and 8,827.70 is: 13,230.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.06 : 15,317.34 = 8,827.70 : x
  2. Step 2: Convert to fraction form
    10,220.06/15,317.34 = 8,827.70/x
  3. Step 3: Cross multiply
    10,220.06x = 15,317.34 × 8,827.70
  4. Step 4: Simplify right side
    10,220.06x = 135,216,882.32
  5. Step 5: Solve for x
    x = 135,216,882.32/10,220.06
  6. Step 6: Final answer
    x = 13,230.54

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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.