Home / 13,915.60-20,873.85-4,556.15

Finding the Fourth Proportional to 13,915.60, 20,873.85 and 4,556.15

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Solution

The fourth proportional to 13,915.60, 20,873.85 and 4,556.15 is: 6,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.60 : 20,873.85 = 4,556.15 : x
  2. Step 2: Convert to fraction form
    13,915.60/20,873.85 = 4,556.15/x
  3. Step 3: Cross multiply
    13,915.60x = 20,873.85 × 4,556.15
  4. Step 4: Simplify right side
    13,915.60x = 95,104,374.13
  5. Step 5: Solve for x
    x = 95,104,374.13/13,915.60
  6. Step 6: Final answer
    x = 6,834.37

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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.