Home / 10,552.10-15,814.30-7,765.73

Finding the Fourth Proportional to 10,552.10, 15,814.30 and 7,765.73

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Solution

The fourth proportional to 10,552.10, 15,814.30 and 7,765.73 is: 11,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.10 : 15,814.30 = 7,765.73 : x
  2. Step 2: Convert to fraction form
    10,552.10/15,814.30 = 7,765.73/x
  3. Step 3: Cross multiply
    10,552.10x = 15,814.30 × 7,765.73
  4. Step 4: Simplify right side
    10,552.10x = 122,809,545.11
  5. Step 5: Solve for x
    x = 122,809,545.11/10,552.10
  6. Step 6: Final answer
    x = 11,638.40

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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.