Home / 12,124.35-18,186.53-3,359.26

Finding the Fourth Proportional to 12,124.35, 18,186.53 and 3,359.26

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Solution

The fourth proportional to 12,124.35, 18,186.53 and 3,359.26 is: 5,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.35 : 18,186.53 = 3,359.26 : x
  2. Step 2: Convert to fraction form
    12,124.35/18,186.53 = 3,359.26/x
  3. Step 3: Cross multiply
    12,124.35x = 18,186.53 × 3,359.26
  4. Step 4: Simplify right side
    12,124.35x = 61,093,220.51
  5. Step 5: Solve for x
    x = 61,093,220.51/12,124.35
  6. Step 6: Final answer
    x = 5,038.89

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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.