Home / 12,970.24-19,457.64-5,371.44

Finding the Fourth Proportional to 12,970.24, 19,457.64 and 5,371.44

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Solution

The fourth proportional to 12,970.24, 19,457.64 and 5,371.44 is: 8,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970.24 : 19,457.64 = 5,371.44 : x
  2. Step 2: Convert to fraction form
    12,970.24/19,457.64 = 5,371.44/x
  3. Step 3: Cross multiply
    12,970.24x = 19,457.64 × 5,371.44
  4. Step 4: Simplify right side
    12,970.24x = 104,515,545.80
  5. Step 5: Solve for x
    x = 104,515,545.80/12,970.24
  6. Step 6: Final answer
    x = 8,058.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.