Home / 10,210.10-15,327.30-5,771.30

Finding the Fourth Proportional to 10,210.10, 15,327.30 and 5,771.30

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Solution

The fourth proportional to 10,210.10, 15,327.30 and 5,771.30 is: 8,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.10 : 15,327.30 = 5,771.30 : x
  2. Step 2: Convert to fraction form
    10,210.10/15,327.30 = 5,771.30/x
  3. Step 3: Cross multiply
    10,210.10x = 15,327.30 × 5,771.30
  4. Step 4: Simplify right side
    10,210.10x = 88,458,446.49
  5. Step 5: Solve for x
    x = 88,458,446.49/10,210.10
  6. Step 6: Final answer
    x = 8,663.82

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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.