Home / 10,320.37-15,454.36-8,650.11

Finding the Fourth Proportional to 10,320.37, 15,454.36 and 8,650.11

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Solution

The fourth proportional to 10,320.37, 15,454.36 and 8,650.11 is: 12,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.37 : 15,454.36 = 8,650.11 : x
  2. Step 2: Convert to fraction form
    10,320.37/15,454.36 = 8,650.11/x
  3. Step 3: Cross multiply
    10,320.37x = 15,454.36 × 8,650.11
  4. Step 4: Simplify right side
    10,320.37x = 133,681,913.98
  5. Step 5: Solve for x
    x = 133,681,913.98/10,320.37
  6. Step 6: Final answer
    x = 12,953.21

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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.