Home / 15,408.14-21,263.25-8,334.53

Finding the Fourth Proportional to 15,408.14, 21,263.25 and 8,334.53

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Solution

The fourth proportional to 15,408.14, 21,263.25 and 8,334.53 is: 11,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.14 : 21,263.25 = 8,334.53 : x
  2. Step 2: Convert to fraction form
    15,408.14/21,263.25 = 8,334.53/x
  3. Step 3: Cross multiply
    15,408.14x = 21,263.25 × 8,334.53
  4. Step 4: Simplify right side
    15,408.14x = 177,219,195.02
  5. Step 5: Solve for x
    x = 177,219,195.02/15,408.14
  6. Step 6: Final answer
    x = 11,501.66

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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.