Home / 8,635.61-12,924.25-5,351.47

Finding the Fourth Proportional to 8,635.61, 12,924.25 and 5,351.47

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Solution

The fourth proportional to 8,635.61, 12,924.25 and 5,351.47 is: 8,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.61 : 12,924.25 = 5,351.47 : x
  2. Step 2: Convert to fraction form
    8,635.61/12,924.25 = 5,351.47/x
  3. Step 3: Cross multiply
    8,635.61x = 12,924.25 × 5,351.47
  4. Step 4: Simplify right side
    8,635.61x = 69,163,736.15
  5. Step 5: Solve for x
    x = 69,163,736.15/8,635.61
  6. Step 6: Final answer
    x = 8,009.13

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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.