Home / 10,678.81-15,993.60-7,394.23

Finding the Fourth Proportional to 10,678.81, 15,993.60 and 7,394.23

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Solution

The fourth proportional to 10,678.81, 15,993.60 and 7,394.23 is: 11,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.81 : 15,993.60 = 7,394.23 : x
  2. Step 2: Convert to fraction form
    10,678.81/15,993.60 = 7,394.23/x
  3. Step 3: Cross multiply
    10,678.81x = 15,993.60 × 7,394.23
  4. Step 4: Simplify right side
    10,678.81x = 118,260,356.93
  5. Step 5: Solve for x
    x = 118,260,356.93/10,678.81
  6. Step 6: Final answer
    x = 11,074.30

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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.