Home / 12,836.28-17,704.26-8,864.04

Finding the Fourth Proportional to 12,836.28, 17,704.26 and 8,864.04

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Solution

The fourth proportional to 12,836.28, 17,704.26 and 8,864.04 is: 12,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.28 : 17,704.26 = 8,864.04 : x
  2. Step 2: Convert to fraction form
    12,836.28/17,704.26 = 8,864.04/x
  3. Step 3: Cross multiply
    12,836.28x = 17,704.26 × 8,864.04
  4. Step 4: Simplify right side
    12,836.28x = 156,931,268.81
  5. Step 5: Solve for x
    x = 156,931,268.81/12,836.28
  6. Step 6: Final answer
    x = 12,225.60

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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.