Home / 17,485.64-24,122.48-11,818.31

Finding the Fourth Proportional to 17,485.64, 24,122.48 and 11,818.31

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Solution

The fourth proportional to 17,485.64, 24,122.48 and 11,818.31 is: 16,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.64 : 24,122.48 = 11,818.31 : x
  2. Step 2: Convert to fraction form
    17,485.64/24,122.48 = 11,818.31/x
  3. Step 3: Cross multiply
    17,485.64x = 24,122.48 × 11,818.31
  4. Step 4: Simplify right side
    17,485.64x = 285,086,947.82
  5. Step 5: Solve for x
    x = 285,086,947.82/17,485.64
  6. Step 6: Final answer
    x = 16,304.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.