Home / 12,946.70-19,420.07-5,546.36

Finding the Fourth Proportional to 12,946.70, 19,420.07 and 5,546.36

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Solution

The fourth proportional to 12,946.70, 19,420.07 and 5,546.36 is: 8,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.70 : 19,420.07 = 5,546.36 : x
  2. Step 2: Convert to fraction form
    12,946.70/19,420.07 = 5,546.36/x
  3. Step 3: Cross multiply
    12,946.70x = 19,420.07 × 5,546.36
  4. Step 4: Simplify right side
    12,946.70x = 107,710,720.26
  5. Step 5: Solve for x
    x = 107,710,720.26/12,946.70
  6. Step 6: Final answer
    x = 8,319.55

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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.