Home / 14,895.47-20,555.99-8,181.71

Finding the Fourth Proportional to 14,895.47, 20,555.99 and 8,181.71

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Solution

The fourth proportional to 14,895.47, 20,555.99 and 8,181.71 is: 11,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.47 : 20,555.99 = 8,181.71 : x
  2. Step 2: Convert to fraction form
    14,895.47/20,555.99 = 8,181.71/x
  3. Step 3: Cross multiply
    14,895.47x = 20,555.99 × 8,181.71
  4. Step 4: Simplify right side
    14,895.47x = 168,183,148.94
  5. Step 5: Solve for x
    x = 168,183,148.94/14,895.47
  6. Step 6: Final answer
    x = 11,290.89

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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.