Home / 11,644.40-17,468.64-4,259.24

Finding the Fourth Proportional to 11,644.40, 17,468.64 and 4,259.24

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Solution

The fourth proportional to 11,644.40, 17,468.64 and 4,259.24 is: 6,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.40 : 17,468.64 = 4,259.24 : x
  2. Step 2: Convert to fraction form
    11,644.40/17,468.64 = 4,259.24/x
  3. Step 3: Cross multiply
    11,644.40x = 17,468.64 × 4,259.24
  4. Step 4: Simplify right side
    11,644.40x = 74,403,130.23
  5. Step 5: Solve for x
    x = 74,403,130.23/11,644.40
  6. Step 6: Final answer
    x = 6,389.61

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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.