Home / 14,638.83-21,945.93-11,858.61

Finding the Fourth Proportional to 14,638.83, 21,945.93 and 11,858.61

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Solution

The fourth proportional to 14,638.83, 21,945.93 and 11,858.61 is: 17,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.83 : 21,945.93 = 11,858.61 : x
  2. Step 2: Convert to fraction form
    14,638.83/21,945.93 = 11,858.61/x
  3. Step 3: Cross multiply
    14,638.83x = 21,945.93 × 11,858.61
  4. Step 4: Simplify right side
    14,638.83x = 260,248,115.23
  5. Step 5: Solve for x
    x = 260,248,115.23/14,638.83
  6. Step 6: Final answer
    x = 17,777.94

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1.5x scale

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.