Home / 10,452.36-15,684.74-4,215.36

Finding the Fourth Proportional to 10,452.36, 15,684.74 and 4,215.36

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Solution

The fourth proportional to 10,452.36, 15,684.74 and 4,215.36 is: 6,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.36 : 15,684.74 = 4,215.36 : x
  2. Step 2: Convert to fraction form
    10,452.36/15,684.74 = 4,215.36/x
  3. Step 3: Cross multiply
    10,452.36x = 15,684.74 × 4,215.36
  4. Step 4: Simplify right side
    10,452.36x = 66,116,825.61
  5. Step 5: Solve for x
    x = 66,116,825.61/10,452.36
  6. Step 6: Final answer
    x = 6,325.54

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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.