Home / 14,174.24-19,557.60-8,203.76

Finding the Fourth Proportional to 14,174.24, 19,557.60 and 8,203.76

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Solution

The fourth proportional to 14,174.24, 19,557.60 and 8,203.76 is: 11,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.24 : 19,557.60 = 8,203.76 : x
  2. Step 2: Convert to fraction form
    14,174.24/19,557.60 = 8,203.76/x
  3. Step 3: Cross multiply
    14,174.24x = 19,557.60 × 8,203.76
  4. Step 4: Simplify right side
    14,174.24x = 160,445,856.58
  5. Step 5: Solve for x
    x = 160,445,856.58/14,174.24
  6. Step 6: Final answer
    x = 11,319.54

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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.