Home / 12,903.23-19,325.96-11,215.73

Finding the Fourth Proportional to 12,903.23, 19,325.96 and 11,215.73

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Solution

The fourth proportional to 12,903.23, 19,325.96 and 11,215.73 is: 16,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.23 : 19,325.96 = 11,215.73 : x
  2. Step 2: Convert to fraction form
    12,903.23/19,325.96 = 11,215.73/x
  3. Step 3: Cross multiply
    12,903.23x = 19,325.96 × 11,215.73
  4. Step 4: Simplify right side
    12,903.23x = 216,754,783.65
  5. Step 5: Solve for x
    x = 216,754,783.65/12,903.23
  6. Step 6: Final answer
    x = 16,798.49

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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.