Home / 11,633.04-17,442.51-5,220.45

Finding the Fourth Proportional to 11,633.04, 17,442.51 and 5,220.45

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Solution

The fourth proportional to 11,633.04, 17,442.51 and 5,220.45 is: 7,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,633.04 : 17,442.51 = 5,220.45 : x
  2. Step 2: Convert to fraction form
    11,633.04/17,442.51 = 5,220.45/x
  3. Step 3: Cross multiply
    11,633.04x = 17,442.51 × 5,220.45
  4. Step 4: Simplify right side
    11,633.04x = 91,057,664.12
  5. Step 5: Solve for x
    x = 91,057,664.12/11,633.04
  6. Step 6: Final answer
    x = 7,827.51

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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.