Home / 11,051.28-15,256.41-8,527.71

Finding the Fourth Proportional to 11,051.28, 15,256.41 and 8,527.71

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Solution

The fourth proportional to 11,051.28, 15,256.41 and 8,527.71 is: 11,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,051.28 : 15,256.41 = 8,527.71 : x
  2. Step 2: Convert to fraction form
    11,051.28/15,256.41 = 8,527.71/x
  3. Step 3: Cross multiply
    11,051.28x = 15,256.41 × 8,527.71
  4. Step 4: Simplify right side
    11,051.28x = 130,102,240.12
  5. Step 5: Solve for x
    x = 130,102,240.12/11,051.28
  6. Step 6: Final answer
    x = 11,772.59

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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.