Home / 14,181.19-21,271.83-4,320.43

Finding the Fourth Proportional to 14,181.19, 21,271.83 and 4,320.43

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Solution

The fourth proportional to 14,181.19, 21,271.83 and 4,320.43 is: 6,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.19 : 21,271.83 = 4,320.43 : x
  2. Step 2: Convert to fraction form
    14,181.19/21,271.83 = 4,320.43/x
  3. Step 3: Cross multiply
    14,181.19x = 21,271.83 × 4,320.43
  4. Step 4: Simplify right side
    14,181.19x = 91,903,452.49
  5. Step 5: Solve for x
    x = 91,903,452.49/14,181.19
  6. Step 6: Final answer
    x = 6,480.66

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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.