Home / 13,124.03-19,639.80-8,195.99

Finding the Fourth Proportional to 13,124.03, 19,639.80 and 8,195.99

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Solution

The fourth proportional to 13,124.03, 19,639.80 and 8,195.99 is: 12,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.03 : 19,639.80 = 8,195.99 : x
  2. Step 2: Convert to fraction form
    13,124.03/19,639.80 = 8,195.99/x
  3. Step 3: Cross multiply
    13,124.03x = 19,639.80 × 8,195.99
  4. Step 4: Simplify right side
    13,124.03x = 160,967,506.20
  5. Step 5: Solve for x
    x = 160,967,506.20/13,124.03
  6. Step 6: Final answer
    x = 12,265.10

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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.