Home / 12,259.86-18,390.41-3,496.07

Finding the Fourth Proportional to 12,259.86, 18,390.41 and 3,496.07

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Solution

The fourth proportional to 12,259.86, 18,390.41 and 3,496.07 is: 5,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.86 : 18,390.41 = 3,496.07 : x
  2. Step 2: Convert to fraction form
    12,259.86/18,390.41 = 3,496.07/x
  3. Step 3: Cross multiply
    12,259.86x = 18,390.41 × 3,496.07
  4. Step 4: Simplify right side
    12,259.86x = 64,294,051.26
  5. Step 5: Solve for x
    x = 64,294,051.26/12,259.86
  6. Step 6: Final answer
    x = 5,244.27

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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.