Home / 10,372.90-15,615.41-9,454.36

Finding the Fourth Proportional to 10,372.90, 15,615.41 and 9,454.36

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Solution

The fourth proportional to 10,372.90, 15,615.41 and 9,454.36 is: 14,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372.90 : 15,615.41 = 9,454.36 : x
  2. Step 2: Convert to fraction form
    10,372.90/15,615.41 = 9,454.36/x
  3. Step 3: Cross multiply
    10,372.90x = 15,615.41 × 9,454.36
  4. Step 4: Simplify right side
    10,372.90x = 147,633,707.69
  5. Step 5: Solve for x
    x = 147,633,707.69/10,372.90
  6. Step 6: Final answer
    x = 14,232.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.