Home / 11,890.71-16,409.32-6,585.62

Finding the Fourth Proportional to 11,890.71, 16,409.32 and 6,585.62

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Solution

The fourth proportional to 11,890.71, 16,409.32 and 6,585.62 is: 9,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.71 : 16,409.32 = 6,585.62 : x
  2. Step 2: Convert to fraction form
    11,890.71/16,409.32 = 6,585.62/x
  3. Step 3: Cross multiply
    11,890.71x = 16,409.32 × 6,585.62
  4. Step 4: Simplify right side
    11,890.71x = 108,065,447.47
  5. Step 5: Solve for x
    x = 108,065,447.47/11,890.71
  6. Step 6: Final answer
    x = 9,088.22

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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.