Home / 8,824.72-13,236.45-5,124.64

Finding the Fourth Proportional to 8,824.72, 13,236.45 and 5,124.64

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Solution

The fourth proportional to 8,824.72, 13,236.45 and 5,124.64 is: 7,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.72 : 13,236.45 = 5,124.64 : x
  2. Step 2: Convert to fraction form
    8,824.72/13,236.45 = 5,124.64/x
  3. Step 3: Cross multiply
    8,824.72x = 13,236.45 × 5,124.64
  4. Step 4: Simplify right side
    8,824.72x = 67,832,041.13
  5. Step 5: Solve for x
    x = 67,832,041.13/8,824.72
  6. Step 6: Final answer
    x = 7,686.59

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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.