Home / 11,975.47-16,525.35-6,938.80

Finding the Fourth Proportional to 11,975.47, 16,525.35 and 6,938.80

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Solution

The fourth proportional to 11,975.47, 16,525.35 and 6,938.80 is: 9,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.47 : 16,525.35 = 6,938.80 : x
  2. Step 2: Convert to fraction form
    11,975.47/16,525.35 = 6,938.80/x
  3. Step 3: Cross multiply
    11,975.47x = 16,525.35 × 6,938.80
  4. Step 4: Simplify right side
    11,975.47x = 114,666,052.30
  5. Step 5: Solve for x
    x = 114,666,052.30/11,975.47
  6. Step 6: Final answer
    x = 9,575.07

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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.