Home / 12,785.58-19,152.86-10,157.54

Finding the Fourth Proportional to 12,785.58, 19,152.86 and 10,157.54

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Solution

The fourth proportional to 12,785.58, 19,152.86 and 10,157.54 is: 15,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785.58 : 19,152.86 = 10,157.54 : x
  2. Step 2: Convert to fraction form
    12,785.58/19,152.86 = 10,157.54/x
  3. Step 3: Cross multiply
    12,785.58x = 19,152.86 × 10,157.54
  4. Step 4: Simplify right side
    12,785.58x = 194,545,795.01
  5. Step 5: Solve for x
    x = 194,545,795.01/12,785.58
  6. Step 6: Final answer
    x = 15,216.03

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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.