Home / 14,287.56-19,716.74-8,000.04

Finding the Fourth Proportional to 14,287.56, 19,716.74 and 8,000.04

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Solution

The fourth proportional to 14,287.56, 19,716.74 and 8,000.04 is: 11,040.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.56 : 19,716.74 = 8,000.04 : x
  2. Step 2: Convert to fraction form
    14,287.56/19,716.74 = 8,000.04/x
  3. Step 3: Cross multiply
    14,287.56x = 19,716.74 × 8,000.04
  4. Step 4: Simplify right side
    14,287.56x = 157,734,708.67
  5. Step 5: Solve for x
    x = 157,734,708.67/14,287.56
  6. Step 6: Final answer
    x = 11,040.00

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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.