Home / 19,363.74-28,998.82-11,018.48

Finding the Fourth Proportional to 19,363.74, 28,998.82 and 11,018.48

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Solution

The fourth proportional to 19,363.74, 28,998.82 and 11,018.48 is: 16,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.74 : 28,998.82 = 11,018.48 : x
  2. Step 2: Convert to fraction form
    19,363.74/28,998.82 = 11,018.48/x
  3. Step 3: Cross multiply
    19,363.74x = 28,998.82 × 11,018.48
  4. Step 4: Simplify right side
    19,363.74x = 319,522,918.19
  5. Step 5: Solve for x
    x = 319,522,918.19/19,363.74
  6. Step 6: Final answer
    x = 16,501.10

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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.