Home / 14,638.95-21,946.12-11,858.73

Finding the Fourth Proportional to 14,638.95, 21,946.12 and 11,858.73

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Solution

The fourth proportional to 14,638.95, 21,946.12 and 11,858.73 is: 17,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.95 : 21,946.12 = 11,858.73 : x
  2. Step 2: Convert to fraction form
    14,638.95/21,946.12 = 11,858.73/x
  3. Step 3: Cross multiply
    14,638.95x = 21,946.12 × 11,858.73
  4. Step 4: Simplify right side
    14,638.95x = 260,253,111.63
  5. Step 5: Solve for x
    x = 260,253,111.63/14,638.95
  6. Step 6: Final answer
    x = 17,778.13

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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.