Home / 13,303.91-19,955.84-3,442.37

Finding the Fourth Proportional to 13,303.91, 19,955.84 and 3,442.37

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Solution

The fourth proportional to 13,303.91, 19,955.84 and 3,442.37 is: 5,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.91 : 19,955.84 = 3,442.37 : x
  2. Step 2: Convert to fraction form
    13,303.91/19,955.84 = 3,442.37/x
  3. Step 3: Cross multiply
    13,303.91x = 19,955.84 × 3,442.37
  4. Step 4: Simplify right side
    13,303.91x = 68,695,267.95
  5. Step 5: Solve for x
    x = 68,695,267.95/13,303.91
  6. Step 6: Final answer
    x = 5,163.54

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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.