Home / 13,650.64-20,476.68-11,585.08

Finding the Fourth Proportional to 13,650.64, 20,476.68 and 11,585.08

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Solution

The fourth proportional to 13,650.64, 20,476.68 and 11,585.08 is: 17,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.64 : 20,476.68 = 11,585.08 : x
  2. Step 2: Convert to fraction form
    13,650.64/20,476.68 = 11,585.08/x
  3. Step 3: Cross multiply
    13,650.64x = 20,476.68 × 11,585.08
  4. Step 4: Simplify right side
    13,650.64x = 237,223,975.93
  5. Step 5: Solve for x
    x = 237,223,975.93/13,650.64
  6. Step 6: Final answer
    x = 17,378.23

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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.