Home / 19,860.48-29,800.89-13,201.56

Finding the Fourth Proportional to 19,860.48, 29,800.89 and 13,201.56

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Solution

The fourth proportional to 19,860.48, 29,800.89 and 13,201.56 is: 19,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.48 : 29,800.89 = 13,201.56 : x
  2. Step 2: Convert to fraction form
    19,860.48/29,800.89 = 13,201.56/x
  3. Step 3: Cross multiply
    19,860.48x = 29,800.89 × 13,201.56
  4. Step 4: Simplify right side
    19,860.48x = 393,418,237.39
  5. Step 5: Solve for x
    x = 393,418,237.39/19,860.48
  6. Step 6: Final answer
    x = 19,809.10

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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.