Home / 18,697.07-25,749.47-18,288.83

Finding the Fourth Proportional to 18,697.07, 25,749.47 and 18,288.83

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Solution

The fourth proportional to 18,697.07, 25,749.47 and 18,288.83 is: 25,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,697.07 : 25,749.47 = 18,288.83 : x
  2. Step 2: Convert to fraction form
    18,697.07/25,749.47 = 18,288.83/x
  3. Step 3: Cross multiply
    18,697.07x = 25,749.47 × 18,288.83
  4. Step 4: Simplify right side
    18,697.07x = 470,927,652.35
  5. Step 5: Solve for x
    x = 470,927,652.35/18,697.07
  6. Step 6: Final answer
    x = 25,187.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.