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Finding the Fourth Proportional to 17,999.90, 27,013.35 and 9,230.30

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Solution

The fourth proportional to 17,999.90, 27,013.35 and 9,230.30 is: 13,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,999.90 : 27,013.35 = 9,230.30 : x
  2. Step 2: Convert to fraction form
    17,999.90/27,013.35 = 9,230.30/x
  3. Step 3: Cross multiply
    17,999.90x = 27,013.35 × 9,230.30
  4. Step 4: Simplify right side
    17,999.90x = 249,341,324.51
  5. Step 5: Solve for x
    x = 249,341,324.51/17,999.90
  6. Step 6: Final answer
    x = 13,852.37

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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.