Home / 19,723.36-29,585.31-11,013.70

Finding the Fourth Proportional to 19,723.36, 29,585.31 and 11,013.70

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Solution

The fourth proportional to 19,723.36, 29,585.31 and 11,013.70 is: 16,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.36 : 29,585.31 = 11,013.70 : x
  2. Step 2: Convert to fraction form
    19,723.36/29,585.31 = 11,013.70/x
  3. Step 3: Cross multiply
    19,723.36x = 29,585.31 × 11,013.70
  4. Step 4: Simplify right side
    19,723.36x = 325,843,728.75
  5. Step 5: Solve for x
    x = 325,843,728.75/19,723.36
  6. Step 6: Final answer
    x = 16,520.70

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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.