Home / 14,587.54-20,131.20-8,922.18

Finding the Fourth Proportional to 14,587.54, 20,131.20 and 8,922.18

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Solution

The fourth proportional to 14,587.54, 20,131.20 and 8,922.18 is: 12,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.54 : 20,131.20 = 8,922.18 : x
  2. Step 2: Convert to fraction form
    14,587.54/20,131.20 = 8,922.18/x
  3. Step 3: Cross multiply
    14,587.54x = 20,131.20 × 8,922.18
  4. Step 4: Simplify right side
    14,587.54x = 179,614,222.19
  5. Step 5: Solve for x
    x = 179,614,222.19/14,587.54
  6. Step 6: Final answer
    x = 12,312.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.