Home / 14,068.40-21,102.84-4,207.82

Finding the Fourth Proportional to 14,068.40, 21,102.84 and 4,207.82

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Solution

The fourth proportional to 14,068.40, 21,102.84 and 4,207.82 is: 6,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.40 : 21,102.84 = 4,207.82 : x
  2. Step 2: Convert to fraction form
    14,068.40/21,102.84 = 4,207.82/x
  3. Step 3: Cross multiply
    14,068.40x = 21,102.84 × 4,207.82
  4. Step 4: Simplify right side
    14,068.40x = 88,796,952.21
  5. Step 5: Solve for x
    x = 88,796,952.21/14,068.40
  6. Step 6: Final answer
    x = 6,311.80

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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.