Home / 10,512.76-15,770.67-4,887.73

Finding the Fourth Proportional to 10,512.76, 15,770.67 and 4,887.73

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Solution

The fourth proportional to 10,512.76, 15,770.67 and 4,887.73 is: 7,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.76 : 15,770.67 = 4,887.73 : x
  2. Step 2: Convert to fraction form
    10,512.76/15,770.67 = 4,887.73/x
  3. Step 3: Cross multiply
    10,512.76x = 15,770.67 × 4,887.73
  4. Step 4: Simplify right side
    10,512.76x = 77,082,776.88
  5. Step 5: Solve for x
    x = 77,082,776.88/10,512.76
  6. Step 6: Final answer
    x = 7,332.31

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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.