Home / 10,836.38-14,955.12-6,121.52

Finding the Fourth Proportional to 10,836.38, 14,955.12 and 6,121.52

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Solution

The fourth proportional to 10,836.38, 14,955.12 and 6,121.52 is: 8,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.38 : 14,955.12 = 6,121.52 : x
  2. Step 2: Convert to fraction form
    10,836.38/14,955.12 = 6,121.52/x
  3. Step 3: Cross multiply
    10,836.38x = 14,955.12 × 6,121.52
  4. Step 4: Simplify right side
    10,836.38x = 91,548,066.18
  5. Step 5: Solve for x
    x = 91,548,066.18/10,836.38
  6. Step 6: Final answer
    x = 8,448.21

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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.