Home / 10,328.14-15,503.13-6,435.28

Finding the Fourth Proportional to 10,328.14, 15,503.13 and 6,435.28

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Solution

The fourth proportional to 10,328.14, 15,503.13 and 6,435.28 is: 9,659.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.14 : 15,503.13 = 6,435.28 : x
  2. Step 2: Convert to fraction form
    10,328.14/15,503.13 = 6,435.28/x
  3. Step 3: Cross multiply
    10,328.14x = 15,503.13 × 6,435.28
  4. Step 4: Simplify right side
    10,328.14x = 99,766,982.43
  5. Step 5: Solve for x
    x = 99,766,982.43/10,328.14
  6. Step 6: Final answer
    x = 9,659.72

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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.