Home / 18,783.05-28,177.81-6,304.30

Finding the Fourth Proportional to 18,783.05, 28,177.81 and 6,304.30

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Solution

The fourth proportional to 18,783.05, 28,177.81 and 6,304.30 is: 9,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.05 : 28,177.81 = 6,304.30 : x
  2. Step 2: Convert to fraction form
    18,783.05/28,177.81 = 6,304.30/x
  3. Step 3: Cross multiply
    18,783.05x = 28,177.81 × 6,304.30
  4. Step 4: Simplify right side
    18,783.05x = 177,641,281.38
  5. Step 5: Solve for x
    x = 177,641,281.38/18,783.05
  6. Step 6: Final answer
    x = 9,457.53

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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.