Home / 10,815.85-14,924.68-8,583.29

Finding the Fourth Proportional to 10,815.85, 14,924.68 and 8,583.29

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Solution

The fourth proportional to 10,815.85, 14,924.68 and 8,583.29 is: 11,843.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,815.85 : 14,924.68 = 8,583.29 : x
  2. Step 2: Convert to fraction form
    10,815.85/14,924.68 = 8,583.29/x
  3. Step 3: Cross multiply
    10,815.85x = 14,924.68 × 8,583.29
  4. Step 4: Simplify right side
    10,815.85x = 128,102,856.60
  5. Step 5: Solve for x
    x = 128,102,856.60/10,815.85
  6. Step 6: Final answer
    x = 11,843.99

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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.