Home / 19,120.32-26,382.51-11,463.66

Finding the Fourth Proportional to 19,120.32, 26,382.51 and 11,463.66

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Solution

The fourth proportional to 19,120.32, 26,382.51 and 11,463.66 is: 15,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.32 : 26,382.51 = 11,463.66 : x
  2. Step 2: Convert to fraction form
    19,120.32/26,382.51 = 11,463.66/x
  3. Step 3: Cross multiply
    19,120.32x = 26,382.51 × 11,463.66
  4. Step 4: Simplify right side
    19,120.32x = 302,440,124.59
  5. Step 5: Solve for x
    x = 302,440,124.59/19,120.32
  6. Step 6: Final answer
    x = 15,817.73

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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.