Home / 14,181.18-21,272.80-4,817.40

Finding the Fourth Proportional to 14,181.18, 21,272.80 and 4,817.40

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Solution

The fourth proportional to 14,181.18, 21,272.80 and 4,817.40 is: 7,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.18 : 21,272.80 = 4,817.40 : x
  2. Step 2: Convert to fraction form
    14,181.18/21,272.80 = 4,817.40/x
  3. Step 3: Cross multiply
    14,181.18x = 21,272.80 × 4,817.40
  4. Step 4: Simplify right side
    14,181.18x = 102,479,586.72
  5. Step 5: Solve for x
    x = 102,479,586.72/14,181.18
  6. Step 6: Final answer
    x = 7,226.45

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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.