Home / 12,970.83-19,456.64-5,073.03

Finding the Fourth Proportional to 12,970.83, 19,456.64 and 5,073.03

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Solution

The fourth proportional to 12,970.83, 19,456.64 and 5,073.03 is: 7,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970.83 : 19,456.64 = 5,073.03 : x
  2. Step 2: Convert to fraction form
    12,970.83/19,456.64 = 5,073.03/x
  3. Step 3: Cross multiply
    12,970.83x = 19,456.64 × 5,073.03
  4. Step 4: Simplify right side
    12,970.83x = 98,704,118.42
  5. Step 5: Solve for x
    x = 98,704,118.42/12,970.83
  6. Step 6: Final answer
    x = 7,609.70

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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.