Home / 10,915.03-15,061.84-6,200.02

Finding the Fourth Proportional to 10,915.03, 15,061.84 and 6,200.02

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Solution

The fourth proportional to 10,915.03, 15,061.84 and 6,200.02 is: 8,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915.03 : 15,061.84 = 6,200.02 : x
  2. Step 2: Convert to fraction form
    10,915.03/15,061.84 = 6,200.02/x
  3. Step 3: Cross multiply
    10,915.03x = 15,061.84 × 6,200.02
  4. Step 4: Simplify right side
    10,915.03x = 93,383,709.24
  5. Step 5: Solve for x
    x = 93,383,709.24/10,915.03
  6. Step 6: Final answer
    x = 8,555.52

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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.