Home / 18,724.84-28,065.50-7,030.60

Finding the Fourth Proportional to 18,724.84, 28,065.50 and 7,030.60

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Solution

The fourth proportional to 18,724.84, 28,065.50 and 7,030.60 is: 10,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.84 : 28,065.50 = 7,030.60 : x
  2. Step 2: Convert to fraction form
    18,724.84/28,065.50 = 7,030.60/x
  3. Step 3: Cross multiply
    18,724.84x = 28,065.50 × 7,030.60
  4. Step 4: Simplify right side
    18,724.84x = 197,317,304.30
  5. Step 5: Solve for x
    x = 197,317,304.30/18,724.84
  6. Step 6: Final answer
    x = 10,537.73

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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.