Home / 12,004.08-18,006.08-5,762.56

Finding the Fourth Proportional to 12,004.08, 18,006.08 and 5,762.56

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Solution

The fourth proportional to 12,004.08, 18,006.08 and 5,762.56 is: 8,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.08 : 18,006.08 = 5,762.56 : x
  2. Step 2: Convert to fraction form
    12,004.08/18,006.08 = 5,762.56/x
  3. Step 3: Cross multiply
    12,004.08x = 18,006.08 × 5,762.56
  4. Step 4: Simplify right side
    12,004.08x = 103,761,116.36
  5. Step 5: Solve for x
    x = 103,761,116.36/12,004.08
  6. Step 6: Final answer
    x = 8,643.82

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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.