Home / 14,162.85-21,235.03-7,923.56

Finding the Fourth Proportional to 14,162.85, 21,235.03 and 7,923.56

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Solution

The fourth proportional to 14,162.85, 21,235.03 and 7,923.56 is: 11,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,162.85 : 21,235.03 = 7,923.56 : x
  2. Step 2: Convert to fraction form
    14,162.85/21,235.03 = 7,923.56/x
  3. Step 3: Cross multiply
    14,162.85x = 21,235.03 × 7,923.56
  4. Step 4: Simplify right side
    14,162.85x = 168,256,908.32
  5. Step 5: Solve for x
    x = 168,256,908.32/14,162.85
  6. Step 6: Final answer
    x = 11,880.16

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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.