Home / 10,844.43-14,964.08-6,128.70

Finding the Fourth Proportional to 10,844.43, 14,964.08 and 6,128.70

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Solution

The fourth proportional to 10,844.43, 14,964.08 and 6,128.70 is: 8,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,844.43 : 14,964.08 = 6,128.70 : x
  2. Step 2: Convert to fraction form
    10,844.43/14,964.08 = 6,128.70/x
  3. Step 3: Cross multiply
    10,844.43x = 14,964.08 × 6,128.70
  4. Step 4: Simplify right side
    10,844.43x = 91,710,357.10
  5. Step 5: Solve for x
    x = 91,710,357.10/10,844.43
  6. Step 6: Final answer
    x = 8,456.91

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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.