Home / 14,156.78-21,235.18-3,626.84

Finding the Fourth Proportional to 14,156.78, 21,235.18 and 3,626.84

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Solution

The fourth proportional to 14,156.78, 21,235.18 and 3,626.84 is: 5,440.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.78 : 21,235.18 = 3,626.84 : x
  2. Step 2: Convert to fraction form
    14,156.78/21,235.18 = 3,626.84/x
  3. Step 3: Cross multiply
    14,156.78x = 21,235.18 × 3,626.84
  4. Step 4: Simplify right side
    14,156.78x = 77,016,600.23
  5. Step 5: Solve for x
    x = 77,016,600.23/14,156.78
  6. Step 6: Final answer
    x = 5,440.26

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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.