Home / 15,410.30-21,266.19-8,336.72

Finding the Fourth Proportional to 15,410.30, 21,266.19 and 8,336.72

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Solution

The fourth proportional to 15,410.30, 21,266.19 and 8,336.72 is: 11,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.30 : 21,266.19 = 8,336.72 : x
  2. Step 2: Convert to fraction form
    15,410.30/21,266.19 = 8,336.72/x
  3. Step 3: Cross multiply
    15,410.30x = 21,266.19 × 8,336.72
  4. Step 4: Simplify right side
    15,410.30x = 177,290,165.17
  5. Step 5: Solve for x
    x = 177,290,165.17/15,410.30
  6. Step 6: Final answer
    x = 11,504.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.