Home / 14,228.30-21,328.10-4,861.94

Finding the Fourth Proportional to 14,228.30, 21,328.10 and 4,861.94

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Solution

The fourth proportional to 14,228.30, 21,328.10 and 4,861.94 is: 7,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.30 : 21,328.10 = 4,861.94 : x
  2. Step 2: Convert to fraction form
    14,228.30/21,328.10 = 4,861.94/x
  3. Step 3: Cross multiply
    14,228.30x = 21,328.10 × 4,861.94
  4. Step 4: Simplify right side
    14,228.30x = 103,696,007.99
  5. Step 5: Solve for x
    x = 103,696,007.99/14,228.30
  6. Step 6: Final answer
    x = 7,288.01

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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.