Home / 13,222.49-19,833.80-4,457.48

Finding the Fourth Proportional to 13,222.49, 19,833.80 and 4,457.48

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Solution

The fourth proportional to 13,222.49, 19,833.80 and 4,457.48 is: 6,686.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.49 : 19,833.80 = 4,457.48 : x
  2. Step 2: Convert to fraction form
    13,222.49/19,833.80 = 4,457.48/x
  3. Step 3: Cross multiply
    13,222.49x = 19,833.80 × 4,457.48
  4. Step 4: Simplify right side
    13,222.49x = 88,408,766.82
  5. Step 5: Solve for x
    x = 88,408,766.82/13,222.49
  6. Step 6: Final answer
    x = 6,686.24

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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.