Home / 14,628.56-21,945-4,238.96

Finding the Fourth Proportional to 14,628.56, 21,945 and 4,238.96

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Solution

The fourth proportional to 14,628.56, 21,945 and 4,238.96 is: 6,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.56 : 21,945 = 4,238.96 : x
  2. Step 2: Convert to fraction form
    14,628.56/21,945 = 4,238.96/x
  3. Step 3: Cross multiply
    14,628.56x = 21,945 × 4,238.96
  4. Step 4: Simplify right side
    14,628.56x = 93,023,977.20
  5. Step 5: Solve for x
    x = 93,023,977.20/14,628.56
  6. Step 6: Final answer
    x = 6,359.07

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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.