Home / 14,127.33-19,495.31-8,160.87

Finding the Fourth Proportional to 14,127.33, 19,495.31 and 8,160.87

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Solution

The fourth proportional to 14,127.33, 19,495.31 and 8,160.87 is: 11,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.33 : 19,495.31 = 8,160.87 : x
  2. Step 2: Convert to fraction form
    14,127.33/19,495.31 = 8,160.87/x
  3. Step 3: Cross multiply
    14,127.33x = 19,495.31 × 8,160.87
  4. Step 4: Simplify right side
    14,127.33x = 159,098,649.72
  5. Step 5: Solve for x
    x = 159,098,649.72/14,127.33
  6. Step 6: Final answer
    x = 11,261.76

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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.