Home / 11,100.33-15,318.47-6,384.60

Finding the Fourth Proportional to 11,100.33, 15,318.47 and 6,384.60

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Solution

The fourth proportional to 11,100.33, 15,318.47 and 6,384.60 is: 8,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.33 : 15,318.47 = 6,384.60 : x
  2. Step 2: Convert to fraction form
    11,100.33/15,318.47 = 6,384.60/x
  3. Step 3: Cross multiply
    11,100.33x = 15,318.47 × 6,384.60
  4. Step 4: Simplify right side
    11,100.33x = 97,802,271.64
  5. Step 5: Solve for x
    x = 97,802,271.64/11,100.33
  6. Step 6: Final answer
    x = 8,810.75

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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.