Home / 15,408.54-21,263.76-8,334.99

Finding the Fourth Proportional to 15,408.54, 21,263.76 and 8,334.99

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Solution

The fourth proportional to 15,408.54, 21,263.76 and 8,334.99 is: 11,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.54 : 21,263.76 = 8,334.99 : x
  2. Step 2: Convert to fraction form
    15,408.54/21,263.76 = 8,334.99/x
  3. Step 3: Cross multiply
    15,408.54x = 21,263.76 × 8,334.99
  4. Step 4: Simplify right side
    15,408.54x = 177,233,226.96
  5. Step 5: Solve for x
    x = 177,233,226.96/15,408.54
  6. Step 6: Final answer
    x = 11,502.27

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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.