Home / 13,331.88-19,995.76-4,447.36

Finding the Fourth Proportional to 13,331.88, 19,995.76 and 4,447.36

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Solution

The fourth proportional to 13,331.88, 19,995.76 and 4,447.36 is: 6,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.88 : 19,995.76 = 4,447.36 : x
  2. Step 2: Convert to fraction form
    13,331.88/19,995.76 = 4,447.36/x
  3. Step 3: Cross multiply
    13,331.88x = 19,995.76 × 4,447.36
  4. Step 4: Simplify right side
    13,331.88x = 88,928,343.19
  5. Step 5: Solve for x
    x = 88,928,343.19/13,331.88
  6. Step 6: Final answer
    x = 6,670.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.