Home / 18,647.04-27,970.80-6,957.84

Finding the Fourth Proportional to 18,647.04, 27,970.80 and 6,957.84

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Solution

The fourth proportional to 18,647.04, 27,970.80 and 6,957.84 is: 10,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.04 : 27,970.80 = 6,957.84 : x
  2. Step 2: Convert to fraction form
    18,647.04/27,970.80 = 6,957.84/x
  3. Step 3: Cross multiply
    18,647.04x = 27,970.80 × 6,957.84
  4. Step 4: Simplify right side
    18,647.04x = 194,616,351.07
  5. Step 5: Solve for x
    x = 194,616,351.07/18,647.04
  6. Step 6: Final answer
    x = 10,436.85

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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.