Home / 13,972.84-20,946.30-7,393.48

Finding the Fourth Proportional to 13,972.84, 20,946.30 and 7,393.48

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Solution

The fourth proportional to 13,972.84, 20,946.30 and 7,393.48 is: 11,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.84 : 20,946.30 = 7,393.48 : x
  2. Step 2: Convert to fraction form
    13,972.84/20,946.30 = 7,393.48/x
  3. Step 3: Cross multiply
    13,972.84x = 20,946.30 × 7,393.48
  4. Step 4: Simplify right side
    13,972.84x = 154,866,050.12
  5. Step 5: Solve for x
    x = 154,866,050.12/13,972.84
  6. Step 6: Final answer
    x = 11,083.36

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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.