Home / 18,976.84-28,482.76-9,623.42

Finding the Fourth Proportional to 18,976.84, 28,482.76 and 9,623.42

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Solution

The fourth proportional to 18,976.84, 28,482.76 and 9,623.42 is: 14,444.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.84 : 28,482.76 = 9,623.42 : x
  2. Step 2: Convert to fraction form
    18,976.84/28,482.76 = 9,623.42/x
  3. Step 3: Cross multiply
    18,976.84x = 28,482.76 × 9,623.42
  4. Step 4: Simplify right side
    18,976.84x = 274,101,562.24
  5. Step 5: Solve for x
    x = 274,101,562.24/18,976.84
  6. Step 6: Final answer
    x = 14,444.00

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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.