Home / 11,617.49-16,031.62-6,581.61

Finding the Fourth Proportional to 11,617.49, 16,031.62 and 6,581.61

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Solution

The fourth proportional to 11,617.49, 16,031.62 and 6,581.61 is: 9,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.49 : 16,031.62 = 6,581.61 : x
  2. Step 2: Convert to fraction form
    11,617.49/16,031.62 = 6,581.61/x
  3. Step 3: Cross multiply
    11,617.49x = 16,031.62 × 6,581.61
  4. Step 4: Simplify right side
    11,617.49x = 105,513,870.51
  5. Step 5: Solve for x
    x = 105,513,870.51/11,617.49
  6. Step 6: Final answer
    x = 9,082.33

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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.