Home / 14,555.72-20,081.98-8,888.42

Finding the Fourth Proportional to 14,555.72, 20,081.98 and 8,888.42

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Solution

The fourth proportional to 14,555.72, 20,081.98 and 8,888.42 is: 12,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.72 : 20,081.98 = 8,888.42 : x
  2. Step 2: Convert to fraction form
    14,555.72/20,081.98 = 8,888.42/x
  3. Step 3: Cross multiply
    14,555.72x = 20,081.98 × 8,888.42
  4. Step 4: Simplify right side
    14,555.72x = 178,497,072.67
  5. Step 5: Solve for x
    x = 178,497,072.67/14,555.72
  6. Step 6: Final answer
    x = 12,263.02

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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.