Home / 18,617.02-27,929.40-5,468.20

Finding the Fourth Proportional to 18,617.02, 27,929.40 and 5,468.20

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Solution

The fourth proportional to 18,617.02, 27,929.40 and 5,468.20 is: 8,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.02 : 27,929.40 = 5,468.20 : x
  2. Step 2: Convert to fraction form
    18,617.02/27,929.40 = 5,468.20/x
  3. Step 3: Cross multiply
    18,617.02x = 27,929.40 × 5,468.20
  4. Step 4: Simplify right side
    18,617.02x = 152,723,545.08
  5. Step 5: Solve for x
    x = 152,723,545.08/18,617.02
  6. Step 6: Final answer
    x = 8,203.44

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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.