Home / 14,045.40-21,069.18-4,183.92

Finding the Fourth Proportional to 14,045.40, 21,069.18 and 4,183.92

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Solution

The fourth proportional to 14,045.40, 21,069.18 and 4,183.92 is: 6,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.40 : 21,069.18 = 4,183.92 : x
  2. Step 2: Convert to fraction form
    14,045.40/21,069.18 = 4,183.92/x
  3. Step 3: Cross multiply
    14,045.40x = 21,069.18 × 4,183.92
  4. Step 4: Simplify right side
    14,045.40x = 88,151,763.59
  5. Step 5: Solve for x
    x = 88,151,763.59/14,045.40
  6. Step 6: Final answer
    x = 6,276.20

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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.