Home / 11,534.54-15,919.16-6,499.76

Finding the Fourth Proportional to 11,534.54, 15,919.16 and 6,499.76

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Solution

The fourth proportional to 11,534.54, 15,919.16 and 6,499.76 is: 8,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,534.54 : 15,919.16 = 6,499.76 : x
  2. Step 2: Convert to fraction form
    11,534.54/15,919.16 = 6,499.76/x
  3. Step 3: Cross multiply
    11,534.54x = 15,919.16 × 6,499.76
  4. Step 4: Simplify right side
    11,534.54x = 103,470,607.31
  5. Step 5: Solve for x
    x = 103,470,607.31/11,534.54
  6. Step 6: Final answer
    x = 8,970.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.