Home / 12,663.01-18,981.54-6,411.43

Finding the Fourth Proportional to 12,663.01, 18,981.54 and 6,411.43

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Solution

The fourth proportional to 12,663.01, 18,981.54 and 6,411.43 is: 9,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.01 : 18,981.54 = 6,411.43 : x
  2. Step 2: Convert to fraction form
    12,663.01/18,981.54 = 6,411.43/x
  3. Step 3: Cross multiply
    12,663.01x = 18,981.54 × 6,411.43
  4. Step 4: Simplify right side
    12,663.01x = 121,698,815.00
  5. Step 5: Solve for x
    x = 121,698,815.00/12,663.01
  6. Step 6: Final answer
    x = 9,610.58

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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.