Home / 11,011.08-16,519.14-4,772.14

Finding the Fourth Proportional to 11,011.08, 16,519.14 and 4,772.14

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Solution

The fourth proportional to 11,011.08, 16,519.14 and 4,772.14 is: 7,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.08 : 16,519.14 = 4,772.14 : x
  2. Step 2: Convert to fraction form
    11,011.08/16,519.14 = 4,772.14/x
  3. Step 3: Cross multiply
    11,011.08x = 16,519.14 × 4,772.14
  4. Step 4: Simplify right side
    11,011.08x = 78,831,542.30
  5. Step 5: Solve for x
    x = 78,831,542.30/11,011.08
  6. Step 6: Final answer
    x = 7,159.30

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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.