Home / 11,915.85-17,875.26-3,595.85

Finding the Fourth Proportional to 11,915.85, 17,875.26 and 3,595.85

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Solution

The fourth proportional to 11,915.85, 17,875.26 and 3,595.85 is: 5,394.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.85 : 17,875.26 = 3,595.85 : x
  2. Step 2: Convert to fraction form
    11,915.85/17,875.26 = 3,595.85/x
  3. Step 3: Cross multiply
    11,915.85x = 17,875.26 × 3,595.85
  4. Step 4: Simplify right side
    11,915.85x = 64,276,789.50
  5. Step 5: Solve for x
    x = 64,276,789.50/11,915.85
  6. Step 6: Final answer
    x = 5,394.23

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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.