Home / 18,579.02-27,873.11-7,485.77

Finding the Fourth Proportional to 18,579.02, 27,873.11 and 7,485.77

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Solution

The fourth proportional to 18,579.02, 27,873.11 and 7,485.77 is: 11,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.02 : 27,873.11 = 7,485.77 : x
  2. Step 2: Convert to fraction form
    18,579.02/27,873.11 = 7,485.77/x
  3. Step 3: Cross multiply
    18,579.02x = 27,873.11 × 7,485.77
  4. Step 4: Simplify right side
    18,579.02x = 208,651,779.04
  5. Step 5: Solve for x
    x = 208,651,779.04/18,579.02
  6. Step 6: Final answer
    x = 11,230.51

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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.