Home / 10,522.20-15,783.30-5,904.60

Finding the Fourth Proportional to 10,522.20, 15,783.30 and 5,904.60

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Solution

The fourth proportional to 10,522.20, 15,783.30 and 5,904.60 is: 8,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.20 : 15,783.30 = 5,904.60 : x
  2. Step 2: Convert to fraction form
    10,522.20/15,783.30 = 5,904.60/x
  3. Step 3: Cross multiply
    10,522.20x = 15,783.30 × 5,904.60
  4. Step 4: Simplify right side
    10,522.20x = 93,194,073.18
  5. Step 5: Solve for x
    x = 93,194,073.18/10,522.20
  6. Step 6: Final answer
    x = 8,856.90

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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.