Home / 10,208.14-15,316.53-4,286.35

Finding the Fourth Proportional to 10,208.14, 15,316.53 and 4,286.35

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Solution

The fourth proportional to 10,208.14, 15,316.53 and 4,286.35 is: 6,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.14 : 15,316.53 = 4,286.35 : x
  2. Step 2: Convert to fraction form
    10,208.14/15,316.53 = 4,286.35/x
  3. Step 3: Cross multiply
    10,208.14x = 15,316.53 × 4,286.35
  4. Step 4: Simplify right side
    10,208.14x = 65,652,008.37
  5. Step 5: Solve for x
    x = 65,652,008.37/10,208.14
  6. Step 6: Final answer
    x = 6,431.34

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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.