Home / 11,618.12-16,037.92-7,846.40

Finding the Fourth Proportional to 11,618.12, 16,037.92 and 7,846.40

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Solution

The fourth proportional to 11,618.12, 16,037.92 and 7,846.40 is: 10,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.12 : 16,037.92 = 7,846.40 : x
  2. Step 2: Convert to fraction form
    11,618.12/16,037.92 = 7,846.40/x
  3. Step 3: Cross multiply
    11,618.12x = 16,037.92 × 7,846.40
  4. Step 4: Simplify right side
    11,618.12x = 125,839,935.49
  5. Step 5: Solve for x
    x = 125,839,935.49/11,618.12
  6. Step 6: Final answer
    x = 10,831.35

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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.