Home / 11,860.47-17,752.09-8,739.23

Finding the Fourth Proportional to 11,860.47, 17,752.09 and 8,739.23

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Solution

The fourth proportional to 11,860.47, 17,752.09 and 8,739.23 is: 13,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.47 : 17,752.09 = 8,739.23 : x
  2. Step 2: Convert to fraction form
    11,860.47/17,752.09 = 8,739.23/x
  3. Step 3: Cross multiply
    11,860.47x = 17,752.09 × 8,739.23
  4. Step 4: Simplify right side
    11,860.47x = 155,139,597.49
  5. Step 5: Solve for x
    x = 155,139,597.49/11,860.47
  6. Step 6: Final answer
    x = 13,080.39

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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.