Home / 15,408.44-21,263.54-8,334.76

Finding the Fourth Proportional to 15,408.44, 21,263.54 and 8,334.76

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Solution

The fourth proportional to 15,408.44, 21,263.54 and 8,334.76 is: 11,501.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.44 : 21,263.54 = 8,334.76 : x
  2. Step 2: Convert to fraction form
    15,408.44/21,263.54 = 8,334.76/x
  3. Step 3: Cross multiply
    15,408.44x = 21,263.54 × 8,334.76
  4. Step 4: Simplify right side
    15,408.44x = 177,226,502.65
  5. Step 5: Solve for x
    x = 177,226,502.65/15,408.44
  6. Step 6: Final answer
    x = 11,501.91

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Double scale
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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.