Home / 10,432.26-15,647.99-4,190.40

Finding the Fourth Proportional to 10,432.26, 15,647.99 and 4,190.40

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Solution

The fourth proportional to 10,432.26, 15,647.99 and 4,190.40 is: 6,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.26 : 15,647.99 = 4,190.40 : x
  2. Step 2: Convert to fraction form
    10,432.26/15,647.99 = 4,190.40/x
  3. Step 3: Cross multiply
    10,432.26x = 15,647.99 × 4,190.40
  4. Step 4: Simplify right side
    10,432.26x = 65,571,316.34
  5. Step 5: Solve for x
    x = 65,571,316.34/10,432.26
  6. Step 6: Final answer
    x = 6,285.44

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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.