Home / 9,088.81-13,613.16-6,617.95

Finding the Fourth Proportional to 9,088.81, 13,613.16 and 6,617.95

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Solution

The fourth proportional to 9,088.81, 13,613.16 and 6,617.95 is: 9,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.81 : 13,613.16 = 6,617.95 : x
  2. Step 2: Convert to fraction form
    9,088.81/13,613.16 = 6,617.95/x
  3. Step 3: Cross multiply
    9,088.81x = 13,613.16 × 6,617.95
  4. Step 4: Simplify right side
    9,088.81x = 90,091,279.58
  5. Step 5: Solve for x
    x = 90,091,279.58/9,088.81
  6. Step 6: Final answer
    x = 9,912.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.