Home / 11,491.32-15,859.64-6,712.84

Finding the Fourth Proportional to 11,491.32, 15,859.64 and 6,712.84

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Solution

The fourth proportional to 11,491.32, 15,859.64 and 6,712.84 is: 9,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.32 : 15,859.64 = 6,712.84 : x
  2. Step 2: Convert to fraction form
    11,491.32/15,859.64 = 6,712.84/x
  3. Step 3: Cross multiply
    11,491.32x = 15,859.64 × 6,712.84
  4. Step 4: Simplify right side
    11,491.32x = 106,463,225.78
  5. Step 5: Solve for x
    x = 106,463,225.78/11,491.32
  6. Step 6: Final answer
    x = 9,264.66

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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.