Home / 11,975.66-16,526.91-6,670.47

Finding the Fourth Proportional to 11,975.66, 16,526.91 and 6,670.47

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Solution

The fourth proportional to 11,975.66, 16,526.91 and 6,670.47 is: 9,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.66 : 16,526.91 = 6,670.47 : x
  2. Step 2: Convert to fraction form
    11,975.66/16,526.91 = 6,670.47/x
  3. Step 3: Cross multiply
    11,975.66x = 16,526.91 × 6,670.47
  4. Step 4: Simplify right side
    11,975.66x = 110,242,344.34
  5. Step 5: Solve for x
    x = 110,242,344.34/11,975.66
  6. Step 6: Final answer
    x = 9,205.54

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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.