Home / 14,012.32-19,336.80-7,724.48

Finding the Fourth Proportional to 14,012.32, 19,336.80 and 7,724.48

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Solution

The fourth proportional to 14,012.32, 19,336.80 and 7,724.48 is: 10,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.32 : 19,336.80 = 7,724.48 : x
  2. Step 2: Convert to fraction form
    14,012.32/19,336.80 = 7,724.48/x
  3. Step 3: Cross multiply
    14,012.32x = 19,336.80 × 7,724.48
  4. Step 4: Simplify right side
    14,012.32x = 149,366,724.86
  5. Step 5: Solve for x
    x = 149,366,724.86/14,012.32
  6. Step 6: Final answer
    x = 10,659.67

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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.