Home / 15,554.49-21,415.23-13,844.85

Finding the Fourth Proportional to 15,554.49, 21,415.23 and 13,844.85

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Solution

The fourth proportional to 15,554.49, 21,415.23 and 13,844.85 is: 19,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.49 : 21,415.23 = 13,844.85 : x
  2. Step 2: Convert to fraction form
    15,554.49/21,415.23 = 13,844.85/x
  3. Step 3: Cross multiply
    15,554.49x = 21,415.23 × 13,844.85
  4. Step 4: Simplify right side
    15,554.49x = 296,490,647.07
  5. Step 5: Solve for x
    x = 296,490,647.07/15,554.49
  6. Step 6: Final answer
    x = 19,061.42

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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.