Home / 12,564.48-18,846.90-5,991.36

Finding the Fourth Proportional to 12,564.48, 18,846.90 and 5,991.36

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Solution

The fourth proportional to 12,564.48, 18,846.90 and 5,991.36 is: 8,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.48 : 18,846.90 = 5,991.36 : x
  2. Step 2: Convert to fraction form
    12,564.48/18,846.90 = 5,991.36/x
  3. Step 3: Cross multiply
    12,564.48x = 18,846.90 × 5,991.36
  4. Step 4: Simplify right side
    12,564.48x = 112,918,562.78
  5. Step 5: Solve for x
    x = 112,918,562.78/12,564.48
  6. Step 6: Final answer
    x = 8,987.13

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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.