Home / 10,200.33-15,304.75-4,278.32

Finding the Fourth Proportional to 10,200.33, 15,304.75 and 4,278.32

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Solution

The fourth proportional to 10,200.33, 15,304.75 and 4,278.32 is: 6,419.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.33 : 15,304.75 = 4,278.32 : x
  2. Step 2: Convert to fraction form
    10,200.33/15,304.75 = 4,278.32/x
  3. Step 3: Cross multiply
    10,200.33x = 15,304.75 × 4,278.32
  4. Step 4: Simplify right side
    10,200.33x = 65,478,588.19
  5. Step 5: Solve for x
    x = 65,478,588.19/10,200.33
  6. Step 6: Final answer
    x = 6,419.26

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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.