Home / 18,669.72-25,764.01-10,713.20

Finding the Fourth Proportional to 18,669.72, 25,764.01 and 10,713.20

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Solution

The fourth proportional to 18,669.72, 25,764.01 and 10,713.20 is: 14,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.72 : 25,764.01 = 10,713.20 : x
  2. Step 2: Convert to fraction form
    18,669.72/25,764.01 = 10,713.20/x
  3. Step 3: Cross multiply
    18,669.72x = 25,764.01 × 10,713.20
  4. Step 4: Simplify right side
    18,669.72x = 276,014,991.93
  5. Step 5: Solve for x
    x = 276,014,991.93/18,669.72
  6. Step 6: Final answer
    x = 14,784.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.