Home / 12,859.49-19,273.34-7,589.16

Finding the Fourth Proportional to 12,859.49, 19,273.34 and 7,589.16

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Solution

The fourth proportional to 12,859.49, 19,273.34 and 7,589.16 is: 11,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.49 : 19,273.34 = 7,589.16 : x
  2. Step 2: Convert to fraction form
    12,859.49/19,273.34 = 7,589.16/x
  3. Step 3: Cross multiply
    12,859.49x = 19,273.34 × 7,589.16
  4. Step 4: Simplify right side
    12,859.49x = 146,268,423.05
  5. Step 5: Solve for x
    x = 146,268,423.05/12,859.49
  6. Step 6: Final answer
    x = 11,374.36

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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.