Home / 14,228.89-21,349.49-5,461.76

Finding the Fourth Proportional to 14,228.89, 21,349.49 and 5,461.76

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Solution

The fourth proportional to 14,228.89, 21,349.49 and 5,461.76 is: 8,195.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.89 : 21,349.49 = 5,461.76 : x
  2. Step 2: Convert to fraction form
    14,228.89/21,349.49 = 5,461.76/x
  3. Step 3: Cross multiply
    14,228.89x = 21,349.49 × 5,461.76
  4. Step 4: Simplify right side
    14,228.89x = 116,605,816.57
  5. Step 5: Solve for x
    x = 116,605,816.57/14,228.89
  6. Step 6: Final answer
    x = 8,195.01

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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.