Home / 15,627.03-21,575.37-13,945.55

Finding the Fourth Proportional to 15,627.03, 21,575.37 and 13,945.55

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Solution

The fourth proportional to 15,627.03, 21,575.37 and 13,945.55 is: 19,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.03 : 21,575.37 = 13,945.55 : x
  2. Step 2: Convert to fraction form
    15,627.03/21,575.37 = 13,945.55/x
  3. Step 3: Cross multiply
    15,627.03x = 21,575.37 × 13,945.55
  4. Step 4: Simplify right side
    15,627.03x = 300,880,401.10
  5. Step 5: Solve for x
    x = 300,880,401.10/15,627.03
  6. Step 6: Final answer
    x = 19,253.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.