Home / 11,330.69-15,639.68-6,616.08

Finding the Fourth Proportional to 11,330.69, 15,639.68 and 6,616.08

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Solution

The fourth proportional to 11,330.69, 15,639.68 and 6,616.08 is: 9,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.69 : 15,639.68 = 6,616.08 : x
  2. Step 2: Convert to fraction form
    11,330.69/15,639.68 = 6,616.08/x
  3. Step 3: Cross multiply
    11,330.69x = 15,639.68 × 6,616.08
  4. Step 4: Simplify right side
    11,330.69x = 103,473,390.59
  5. Step 5: Solve for x
    x = 103,473,390.59/11,330.69
  6. Step 6: Final answer
    x = 9,132.14

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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.