Home / 11,384.16-15,706.56-6,844.80

Finding the Fourth Proportional to 11,384.16, 15,706.56 and 6,844.80

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Solution

The fourth proportional to 11,384.16, 15,706.56 and 6,844.80 is: 9,443.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.16 : 15,706.56 = 6,844.80 : x
  2. Step 2: Convert to fraction form
    11,384.16/15,706.56 = 6,844.80/x
  3. Step 3: Cross multiply
    11,384.16x = 15,706.56 × 6,844.80
  4. Step 4: Simplify right side
    11,384.16x = 107,508,261.89
  5. Step 5: Solve for x
    x = 107,508,261.89/11,384.16
  6. Step 6: Final answer
    x = 9,443.67

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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.