Home / 13,641.49-20,466.18-4,877.09

Finding the Fourth Proportional to 13,641.49, 20,466.18 and 4,877.09

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Solution

The fourth proportional to 13,641.49, 20,466.18 and 4,877.09 is: 7,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.49 : 20,466.18 = 4,877.09 : x
  2. Step 2: Convert to fraction form
    13,641.49/20,466.18 = 4,877.09/x
  3. Step 3: Cross multiply
    13,641.49x = 20,466.18 × 4,877.09
  4. Step 4: Simplify right side
    13,641.49x = 99,815,299.49
  5. Step 5: Solve for x
    x = 99,815,299.49/13,641.49
  6. Step 6: Final answer
    x = 7,317.04

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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.