Home / 9,209.64-13,816.78-2,636.40

Finding the Fourth Proportional to 9,209.64, 13,816.78 and 2,636.40

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Solution

The fourth proportional to 9,209.64, 13,816.78 and 2,636.40 is: 3,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.64 : 13,816.78 = 2,636.40 : x
  2. Step 2: Convert to fraction form
    9,209.64/13,816.78 = 2,636.40/x
  3. Step 3: Cross multiply
    9,209.64x = 13,816.78 × 2,636.40
  4. Step 4: Simplify right side
    9,209.64x = 36,426,558.79
  5. Step 5: Solve for x
    x = 36,426,558.79/9,209.64
  6. Step 6: Final answer
    x = 3,955.26

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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.