Home / 13,119.68-19,671.36-4,352.32

Finding the Fourth Proportional to 13,119.68, 19,671.36 and 4,352.32

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Solution

The fourth proportional to 13,119.68, 19,671.36 and 4,352.32 is: 6,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.68 : 19,671.36 = 4,352.32 : x
  2. Step 2: Convert to fraction form
    13,119.68/19,671.36 = 4,352.32/x
  3. Step 3: Cross multiply
    13,119.68x = 19,671.36 × 4,352.32
  4. Step 4: Simplify right side
    13,119.68x = 85,616,053.56
  5. Step 5: Solve for x
    x = 85,616,053.56/13,119.68
  6. Step 6: Final answer
    x = 6,525.77

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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.