Home / 13,240.01-19,859.99-3,379.29

Finding the Fourth Proportional to 13,240.01, 19,859.99 and 3,379.29

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Solution

The fourth proportional to 13,240.01, 19,859.99 and 3,379.29 is: 5,068.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.01 : 19,859.99 = 3,379.29 : x
  2. Step 2: Convert to fraction form
    13,240.01/19,859.99 = 3,379.29/x
  3. Step 3: Cross multiply
    13,240.01x = 19,859.99 × 3,379.29
  4. Step 4: Simplify right side
    13,240.01x = 67,112,599.58
  5. Step 5: Solve for x
    x = 67,112,599.58/13,240.01
  6. Step 6: Final answer
    x = 5,068.92

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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.