Home / 15,408.26-21,263.29-8,334.53

Finding the Fourth Proportional to 15,408.26, 21,263.29 and 8,334.53

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Solution

The fourth proportional to 15,408.26, 21,263.29 and 8,334.53 is: 11,501.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.26 : 21,263.29 = 8,334.53 : x
  2. Step 2: Convert to fraction form
    15,408.26/21,263.29 = 8,334.53/x
  3. Step 3: Cross multiply
    15,408.26x = 21,263.29 × 8,334.53
  4. Step 4: Simplify right side
    15,408.26x = 177,219,528.40
  5. Step 5: Solve for x
    x = 177,219,528.40/15,408.26
  6. Step 6: Final answer
    x = 11,501.59

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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.