Home / 14,548.16-21,795.81-11,221.76

Finding the Fourth Proportional to 14,548.16, 21,795.81 and 11,221.76

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Solution

The fourth proportional to 14,548.16, 21,795.81 and 11,221.76 is: 16,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.16 : 21,795.81 = 11,221.76 : x
  2. Step 2: Convert to fraction form
    14,548.16/21,795.81 = 11,221.76/x
  3. Step 3: Cross multiply
    14,548.16x = 21,795.81 × 11,221.76
  4. Step 4: Simplify right side
    14,548.16x = 244,587,348.83
  5. Step 5: Solve for x
    x = 244,587,348.83/14,548.16
  6. Step 6: Final answer
    x = 16,812.25

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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.