Home / 9,179.13-12,667.47-6,495.16

Finding the Fourth Proportional to 9,179.13, 12,667.47 and 6,495.16

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Solution

The fourth proportional to 9,179.13, 12,667.47 and 6,495.16 is: 8,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.13 : 12,667.47 = 6,495.16 : x
  2. Step 2: Convert to fraction form
    9,179.13/12,667.47 = 6,495.16/x
  3. Step 3: Cross multiply
    9,179.13x = 12,667.47 × 6,495.16
  4. Step 4: Simplify right side
    9,179.13x = 82,277,244.45
  5. Step 5: Solve for x
    x = 82,277,244.45/9,179.13
  6. Step 6: Final answer
    x = 8,963.51

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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.