Home / 14,228.91-21,334.73-7,299.63

Finding the Fourth Proportional to 14,228.91, 21,334.73 and 7,299.63

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Solution

The fourth proportional to 14,228.91, 21,334.73 and 7,299.63 is: 10,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.91 : 21,334.73 = 7,299.63 : x
  2. Step 2: Convert to fraction form
    14,228.91/21,334.73 = 7,299.63/x
  3. Step 3: Cross multiply
    14,228.91x = 21,334.73 × 7,299.63
  4. Step 4: Simplify right side
    14,228.91x = 155,735,598.65
  5. Step 5: Solve for x
    x = 155,735,598.65/14,228.91
  6. Step 6: Final answer
    x = 10,945.01

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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.