Home / 12,570.06-18,816.21-10,703.82

Finding the Fourth Proportional to 12,570.06, 18,816.21 and 10,703.82

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Solution

The fourth proportional to 12,570.06, 18,816.21 and 10,703.82 is: 16,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.06 : 18,816.21 = 10,703.82 : x
  2. Step 2: Convert to fraction form
    12,570.06/18,816.21 = 10,703.82/x
  3. Step 3: Cross multiply
    12,570.06x = 18,816.21 × 10,703.82
  4. Step 4: Simplify right side
    12,570.06x = 201,405,324.92
  5. Step 5: Solve for x
    x = 201,405,324.92/12,570.06
  6. Step 6: Final answer
    x = 16,022.62

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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.