Home / 13,974.78-19,287.95-8,010.45

Finding the Fourth Proportional to 13,974.78, 19,287.95 and 8,010.45

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Solution

The fourth proportional to 13,974.78, 19,287.95 and 8,010.45 is: 11,056.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,974.78 : 19,287.95 = 8,010.45 : x
  2. Step 2: Convert to fraction form
    13,974.78/19,287.95 = 8,010.45/x
  3. Step 3: Cross multiply
    13,974.78x = 19,287.95 × 8,010.45
  4. Step 4: Simplify right side
    13,974.78x = 154,505,119.03
  5. Step 5: Solve for x
    x = 154,505,119.03/13,974.78
  6. Step 6: Final answer
    x = 11,056.00

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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.