Home / 13,949.69-19,254.23-8,641.49

Finding the Fourth Proportional to 13,949.69, 19,254.23 and 8,641.49

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Solution

The fourth proportional to 13,949.69, 19,254.23 and 8,641.49 is: 11,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.69 : 19,254.23 = 8,641.49 : x
  2. Step 2: Convert to fraction form
    13,949.69/19,254.23 = 8,641.49/x
  3. Step 3: Cross multiply
    13,949.69x = 19,254.23 × 8,641.49
  4. Step 4: Simplify right side
    13,949.69x = 166,385,236.00
  5. Step 5: Solve for x
    x = 166,385,236.00/13,949.69
  6. Step 6: Final answer
    x = 11,927.52

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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.