Home / 10,822.88-14,935.28-6,106.79

Finding the Fourth Proportional to 10,822.88, 14,935.28 and 6,106.79

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Solution

The fourth proportional to 10,822.88, 14,935.28 and 6,106.79 is: 8,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.88 : 14,935.28 = 6,106.79 : x
  2. Step 2: Convert to fraction form
    10,822.88/14,935.28 = 6,106.79/x
  3. Step 3: Cross multiply
    10,822.88x = 14,935.28 × 6,106.79
  4. Step 4: Simplify right side
    10,822.88x = 91,206,513.34
  5. Step 5: Solve for x
    x = 91,206,513.34/10,822.88
  6. Step 6: Final answer
    x = 8,427.20

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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.