Home / 12,015.88-18,024.54-5,777.16

Finding the Fourth Proportional to 12,015.88, 18,024.54 and 5,777.16

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Solution

The fourth proportional to 12,015.88, 18,024.54 and 5,777.16 is: 8,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.88 : 18,024.54 = 5,777.16 : x
  2. Step 2: Convert to fraction form
    12,015.88/18,024.54 = 5,777.16/x
  3. Step 3: Cross multiply
    12,015.88x = 18,024.54 × 5,777.16
  4. Step 4: Simplify right side
    12,015.88x = 104,130,651.51
  5. Step 5: Solve for x
    x = 104,130,651.51/12,015.88
  6. Step 6: Final answer
    x = 8,666.09

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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.