Home / 11,822.04-16,313.28-6,515.52

Finding the Fourth Proportional to 11,822.04, 16,313.28 and 6,515.52

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Solution

The fourth proportional to 11,822.04, 16,313.28 and 6,515.52 is: 8,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.04 : 16,313.28 = 6,515.52 : x
  2. Step 2: Convert to fraction form
    11,822.04/16,313.28 = 6,515.52/x
  3. Step 3: Cross multiply
    11,822.04x = 16,313.28 × 6,515.52
  4. Step 4: Simplify right side
    11,822.04x = 106,289,502.11
  5. Step 5: Solve for x
    x = 106,289,502.11/11,822.04
  6. Step 6: Final answer
    x = 8,990.79

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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.