Home / 14,181.90-19,558.28-8,877.20

Finding the Fourth Proportional to 14,181.90, 19,558.28 and 8,877.20

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Solution

The fourth proportional to 14,181.90, 19,558.28 and 8,877.20 is: 12,242.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.90 : 19,558.28 = 8,877.20 : x
  2. Step 2: Convert to fraction form
    14,181.90/19,558.28 = 8,877.20/x
  3. Step 3: Cross multiply
    14,181.90x = 19,558.28 × 8,877.20
  4. Step 4: Simplify right side
    14,181.90x = 173,622,763.22
  5. Step 5: Solve for x
    x = 173,622,763.22/14,181.90
  6. Step 6: Final answer
    x = 12,242.56

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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.