Home / 12,101.64-18,113.34-6,250.20

Finding the Fourth Proportional to 12,101.64, 18,113.34 and 6,250.20

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Solution

The fourth proportional to 12,101.64, 18,113.34 and 6,250.20 is: 9,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.64 : 18,113.34 = 6,250.20 : x
  2. Step 2: Convert to fraction form
    12,101.64/18,113.34 = 6,250.20/x
  3. Step 3: Cross multiply
    12,101.64x = 18,113.34 × 6,250.20
  4. Step 4: Simplify right side
    12,101.64x = 113,211,997.67
  5. Step 5: Solve for x
    x = 113,211,997.67/12,101.64
  6. Step 6: Final answer
    x = 9,355.10

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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.