Home / 18,116.48-27,181.56-9,345.80

Finding the Fourth Proportional to 18,116.48, 27,181.56 and 9,345.80

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Solution

The fourth proportional to 18,116.48, 27,181.56 and 9,345.80 is: 14,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.48 : 27,181.56 = 9,345.80 : x
  2. Step 2: Convert to fraction form
    18,116.48/27,181.56 = 9,345.80/x
  3. Step 3: Cross multiply
    18,116.48x = 27,181.56 × 9,345.80
  4. Step 4: Simplify right side
    18,116.48x = 254,033,423.45
  5. Step 5: Solve for x
    x = 254,033,423.45/18,116.48
  6. Step 6: Final answer
    x = 14,022.23

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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.