Home / 14,405.51-21,574.70-13,906.64

Finding the Fourth Proportional to 14,405.51, 21,574.70 and 13,906.64

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Solution

The fourth proportional to 14,405.51, 21,574.70 and 13,906.64 is: 20,827.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.51 : 21,574.70 = 13,906.64 : x
  2. Step 2: Convert to fraction form
    14,405.51/21,574.70 = 13,906.64/x
  3. Step 3: Cross multiply
    14,405.51x = 21,574.70 × 13,906.64
  4. Step 4: Simplify right side
    14,405.51x = 300,031,586.01
  5. Step 5: Solve for x
    x = 300,031,586.01/14,405.51
  6. Step 6: Final answer
    x = 20,827.56

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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.