Home / 11,890.64-16,409.32-6,585.60

Finding the Fourth Proportional to 11,890.64, 16,409.32 and 6,585.60

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Solution

The fourth proportional to 11,890.64, 16,409.32 and 6,585.60 is: 9,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.64 : 16,409.32 = 6,585.60 : x
  2. Step 2: Convert to fraction form
    11,890.64/16,409.32 = 6,585.60/x
  3. Step 3: Cross multiply
    11,890.64x = 16,409.32 × 6,585.60
  4. Step 4: Simplify right side
    11,890.64x = 108,065,217.79
  5. Step 5: Solve for x
    x = 108,065,217.79/11,890.64
  6. Step 6: Final answer
    x = 9,088.26

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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.