Home / 9,186.08-12,664.71-6,631.68

Finding the Fourth Proportional to 9,186.08, 12,664.71 and 6,631.68

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Solution

The fourth proportional to 9,186.08, 12,664.71 and 6,631.68 is: 9,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.08 : 12,664.71 = 6,631.68 : x
  2. Step 2: Convert to fraction form
    9,186.08/12,664.71 = 6,631.68/x
  3. Step 3: Cross multiply
    9,186.08x = 12,664.71 × 6,631.68
  4. Step 4: Simplify right side
    9,186.08x = 83,988,304.01
  5. Step 5: Solve for x
    x = 83,988,304.01/9,186.08
  6. Step 6: Final answer
    x = 9,143.00

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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.