Home / 19,288.96-26,617.84-12,122.59

Finding the Fourth Proportional to 19,288.96, 26,617.84 and 12,122.59

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Solution

The fourth proportional to 19,288.96, 26,617.84 and 12,122.59 is: 16,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.96 : 26,617.84 = 12,122.59 : x
  2. Step 2: Convert to fraction form
    19,288.96/26,617.84 = 12,122.59/x
  3. Step 3: Cross multiply
    19,288.96x = 26,617.84 × 12,122.59
  4. Step 4: Simplify right side
    19,288.96x = 322,677,064.15
  5. Step 5: Solve for x
    x = 322,677,064.15/19,288.96
  6. Step 6: Final answer
    x = 16,728.59

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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.