Home / 11,897.24-17,812.64-9,135.14

Finding the Fourth Proportional to 11,897.24, 17,812.64 and 9,135.14

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Solution

The fourth proportional to 11,897.24, 17,812.64 and 9,135.14 is: 13,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.24 : 17,812.64 = 9,135.14 : x
  2. Step 2: Convert to fraction form
    11,897.24/17,812.64 = 9,135.14/x
  3. Step 3: Cross multiply
    11,897.24x = 17,812.64 × 9,135.14
  4. Step 4: Simplify right side
    11,897.24x = 162,720,893.94
  5. Step 5: Solve for x
    x = 162,720,893.94/11,897.24
  6. Step 6: Final answer
    x = 13,677.20

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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.