Home / 13,946.18-21,023.42-12,763.98

Finding the Fourth Proportional to 13,946.18, 21,023.42 and 12,763.98

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Solution

The fourth proportional to 13,946.18, 21,023.42 and 12,763.98 is: 19,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.18 : 21,023.42 = 12,763.98 : x
  2. Step 2: Convert to fraction form
    13,946.18/21,023.42 = 12,763.98/x
  3. Step 3: Cross multiply
    13,946.18x = 21,023.42 × 12,763.98
  4. Step 4: Simplify right side
    13,946.18x = 268,342,448.59
  5. Step 5: Solve for x
    x = 268,342,448.59/13,946.18
  6. Step 6: Final answer
    x = 19,241.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.