Home / 14,536.93-21,772.77-12,638.41

Finding the Fourth Proportional to 14,536.93, 21,772.77 and 12,638.41

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Solution

The fourth proportional to 14,536.93, 21,772.77 and 12,638.41 is: 18,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,536.93 : 21,772.77 = 12,638.41 : x
  2. Step 2: Convert to fraction form
    14,536.93/21,772.77 = 12,638.41/x
  3. Step 3: Cross multiply
    14,536.93x = 21,772.77 × 12,638.41
  4. Step 4: Simplify right side
    14,536.93x = 275,173,194.10
  5. Step 5: Solve for x
    x = 275,173,194.10/14,536.93
  6. Step 6: Final answer
    x = 18,929.25

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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.