Home / 19,448.81-26,839.99-11,898.49

Finding the Fourth Proportional to 19,448.81, 26,839.99 and 11,898.49

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Solution

The fourth proportional to 19,448.81, 26,839.99 and 11,898.49 is: 16,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.81 : 26,839.99 = 11,898.49 : x
  2. Step 2: Convert to fraction form
    19,448.81/26,839.99 = 11,898.49/x
  3. Step 3: Cross multiply
    19,448.81x = 26,839.99 × 11,898.49
  4. Step 4: Simplify right side
    19,448.81x = 319,355,352.62
  5. Step 5: Solve for x
    x = 319,355,352.62/19,448.81
  6. Step 6: Final answer
    x = 16,420.31

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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.