Home / 10,081.08-13,918.14-6,497.64

Finding the Fourth Proportional to 10,081.08, 13,918.14 and 6,497.64

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Solution

The fourth proportional to 10,081.08, 13,918.14 and 6,497.64 is: 8,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081.08 : 13,918.14 = 6,497.64 : x
  2. Step 2: Convert to fraction form
    10,081.08/13,918.14 = 6,497.64/x
  3. Step 3: Cross multiply
    10,081.08x = 13,918.14 × 6,497.64
  4. Step 4: Simplify right side
    10,081.08x = 90,435,063.19
  5. Step 5: Solve for x
    x = 90,435,063.19/10,081.08
  6. Step 6: Final answer
    x = 8,970.77

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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.