Home / 10,178.39-14,046.14-5,641.36

Finding the Fourth Proportional to 10,178.39, 14,046.14 and 5,641.36

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Solution

The fourth proportional to 10,178.39, 14,046.14 and 5,641.36 is: 7,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.39 : 14,046.14 = 5,641.36 : x
  2. Step 2: Convert to fraction form
    10,178.39/14,046.14 = 5,641.36/x
  3. Step 3: Cross multiply
    10,178.39x = 14,046.14 × 5,641.36
  4. Step 4: Simplify right side
    10,178.39x = 79,239,262.12
  5. Step 5: Solve for x
    x = 79,239,262.12/10,178.39
  6. Step 6: Final answer
    x = 7,785.05

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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.