Home / 10,836.24-14,955.84-6,120.36

Finding the Fourth Proportional to 10,836.24, 14,955.84 and 6,120.36

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Solution

The fourth proportional to 10,836.24, 14,955.84 and 6,120.36 is: 8,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.24 : 14,955.84 = 6,120.36 : x
  2. Step 2: Convert to fraction form
    10,836.24/14,955.84 = 6,120.36/x
  3. Step 3: Cross multiply
    10,836.24x = 14,955.84 × 6,120.36
  4. Step 4: Simplify right side
    10,836.24x = 91,535,124.90
  5. Step 5: Solve for x
    x = 91,535,124.90/10,836.24
  6. Step 6: Final answer
    x = 8,447.13

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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.