Home / 14,746.80-22,120.16-12,144.24

Finding the Fourth Proportional to 14,746.80, 22,120.16 and 12,144.24

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Solution

The fourth proportional to 14,746.80, 22,120.16 and 12,144.24 is: 18,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.80 : 22,120.16 = 12,144.24 : x
  2. Step 2: Convert to fraction form
    14,746.80/22,120.16 = 12,144.24/x
  3. Step 3: Cross multiply
    14,746.80x = 22,120.16 × 12,144.24
  4. Step 4: Simplify right side
    14,746.80x = 268,632,531.88
  5. Step 5: Solve for x
    x = 268,632,531.88/14,746.80
  6. Step 6: Final answer
    x = 18,216.33

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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.