Home / 10,923.48-15,069.66-6,942.46

Finding the Fourth Proportional to 10,923.48, 15,069.66 and 6,942.46

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Solution

The fourth proportional to 10,923.48, 15,069.66 and 6,942.46 is: 9,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.48 : 15,069.66 = 6,942.46 : x
  2. Step 2: Convert to fraction form
    10,923.48/15,069.66 = 6,942.46/x
  3. Step 3: Cross multiply
    10,923.48x = 15,069.66 × 6,942.46
  4. Step 4: Simplify right side
    10,923.48x = 104,620,401.70
  5. Step 5: Solve for x
    x = 104,620,401.70/10,923.48
  6. Step 6: Final answer
    x = 9,577.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.