Home / 15,410.41-21,266.36-8,336.84

Finding the Fourth Proportional to 15,410.41, 21,266.36 and 8,336.84

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Solution

The fourth proportional to 15,410.41, 21,266.36 and 8,336.84 is: 11,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.41 : 21,266.36 = 8,336.84 : x
  2. Step 2: Convert to fraction form
    15,410.41/21,266.36 = 8,336.84/x
  3. Step 3: Cross multiply
    15,410.41x = 21,266.36 × 8,336.84
  4. Step 4: Simplify right side
    15,410.41x = 177,294,199.02
  5. Step 5: Solve for x
    x = 177,294,199.02/15,410.41
  6. Step 6: Final answer
    x = 11,504.83

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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.