Home / 11,609.48-16,021.32-7,070.60

Finding the Fourth Proportional to 11,609.48, 16,021.32 and 7,070.60

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Solution

The fourth proportional to 11,609.48, 16,021.32 and 7,070.60 is: 9,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.48 : 16,021.32 = 7,070.60 : x
  2. Step 2: Convert to fraction form
    11,609.48/16,021.32 = 7,070.60/x
  3. Step 3: Cross multiply
    11,609.48x = 16,021.32 × 7,070.60
  4. Step 4: Simplify right side
    11,609.48x = 113,280,345.19
  5. Step 5: Solve for x
    x = 113,280,345.19/11,609.48
  6. Step 6: Final answer
    x = 9,757.57

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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.