Home / 14,136.48-19,502.64-8,537.76

Finding the Fourth Proportional to 14,136.48, 19,502.64 and 8,537.76

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Solution

The fourth proportional to 14,136.48, 19,502.64 and 8,537.76 is: 11,778.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.48 : 19,502.64 = 8,537.76 : x
  2. Step 2: Convert to fraction form
    14,136.48/19,502.64 = 8,537.76/x
  3. Step 3: Cross multiply
    14,136.48x = 19,502.64 × 8,537.76
  4. Step 4: Simplify right side
    14,136.48x = 166,508,859.69
  5. Step 5: Solve for x
    x = 166,508,859.69/14,136.48
  6. Step 6: Final answer
    x = 11,778.66

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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.