Home / 15,218.89-22,829.55-4,125.33

Finding the Fourth Proportional to 15,218.89, 22,829.55 and 4,125.33

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Solution

The fourth proportional to 15,218.89, 22,829.55 and 4,125.33 is: 6,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,218.89 : 22,829.55 = 4,125.33 : x
  2. Step 2: Convert to fraction form
    15,218.89/22,829.55 = 4,125.33/x
  3. Step 3: Cross multiply
    15,218.89x = 22,829.55 × 4,125.33
  4. Step 4: Simplify right side
    15,218.89x = 94,179,412.03
  5. Step 5: Solve for x
    x = 94,179,412.03/15,218.89
  6. Step 6: Final answer
    x = 6,188.32

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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.