Home / 14,217.15-21,325.78-4,356.42

Finding the Fourth Proportional to 14,217.15, 21,325.78 and 4,356.42

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Solution

The fourth proportional to 14,217.15, 21,325.78 and 4,356.42 is: 6,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.15 : 21,325.78 = 4,356.42 : x
  2. Step 2: Convert to fraction form
    14,217.15/21,325.78 = 4,356.42/x
  3. Step 3: Cross multiply
    14,217.15x = 21,325.78 × 4,356.42
  4. Step 4: Simplify right side
    14,217.15x = 92,903,979.98
  5. Step 5: Solve for x
    x = 92,903,979.98/14,217.15
  6. Step 6: Final answer
    x = 6,534.64

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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.