Home / 12,570.56-18,816.96-10,704.32

Finding the Fourth Proportional to 12,570.56, 18,816.96 and 10,704.32

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Solution

The fourth proportional to 12,570.56, 18,816.96 and 10,704.32 is: 16,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.56 : 18,816.96 = 10,704.32 : x
  2. Step 2: Convert to fraction form
    12,570.56/18,816.96 = 10,704.32/x
  3. Step 3: Cross multiply
    12,570.56x = 18,816.96 × 10,704.32
  4. Step 4: Simplify right side
    12,570.56x = 201,422,761.27
  5. Step 5: Solve for x
    x = 201,422,761.27/12,570.56
  6. Step 6: Final answer
    x = 16,023.37

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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.