Home / 12,516.08-17,270.69-7,479.14

Finding the Fourth Proportional to 12,516.08, 17,270.69 and 7,479.14

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Solution

The fourth proportional to 12,516.08, 17,270.69 and 7,479.14 is: 10,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516.08 : 17,270.69 = 7,479.14 : x
  2. Step 2: Convert to fraction form
    12,516.08/17,270.69 = 7,479.14/x
  3. Step 3: Cross multiply
    12,516.08x = 17,270.69 × 7,479.14
  4. Step 4: Simplify right side
    12,516.08x = 129,169,784.66
  5. Step 5: Solve for x
    x = 129,169,784.66/12,516.08
  6. Step 6: Final answer
    x = 10,320.31

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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.