Home / 11,807.04-17,709.60-4,411.20

Finding the Fourth Proportional to 11,807.04, 17,709.60 and 4,411.20

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Solution

The fourth proportional to 11,807.04, 17,709.60 and 4,411.20 is: 6,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.04 : 17,709.60 = 4,411.20 : x
  2. Step 2: Convert to fraction form
    11,807.04/17,709.60 = 4,411.20/x
  3. Step 3: Cross multiply
    11,807.04x = 17,709.60 × 4,411.20
  4. Step 4: Simplify right side
    11,807.04x = 78,120,587.52
  5. Step 5: Solve for x
    x = 78,120,587.52/11,807.04
  6. Step 6: Final answer
    x = 6,616.44

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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.