Home / 13,240.00-19,859.98-3,379.28

Finding the Fourth Proportional to 13,240.00, 19,859.98 and 3,379.28

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Solution

The fourth proportional to 13,240.00, 19,859.98 and 3,379.28 is: 5,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.00 : 19,859.98 = 3,379.28 : x
  2. Step 2: Convert to fraction form
    13,240.00/19,859.98 = 3,379.28/x
  3. Step 3: Cross multiply
    13,240.00x = 19,859.98 × 3,379.28
  4. Step 4: Simplify right side
    13,240.00x = 67,112,333.91
  5. Step 5: Solve for x
    x = 67,112,333.91/13,240.00
  6. Step 6: Final answer
    x = 5,068.91

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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.