Home / 11,890.16-17,837.46-5,316.60

Finding the Fourth Proportional to 11,890.16, 17,837.46 and 5,316.60

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Solution

The fourth proportional to 11,890.16, 17,837.46 and 5,316.60 is: 7,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.16 : 17,837.46 = 5,316.60 : x
  2. Step 2: Convert to fraction form
    11,890.16/17,837.46 = 5,316.60/x
  3. Step 3: Cross multiply
    11,890.16x = 17,837.46 × 5,316.60
  4. Step 4: Simplify right side
    11,890.16x = 94,834,639.84
  5. Step 5: Solve for x
    x = 94,834,639.84/11,890.16
  6. Step 6: Final answer
    x = 7,975.89

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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.