Home / 18,559.16-27,840.30-6,078.92

Finding the Fourth Proportional to 18,559.16, 27,840.30 and 6,078.92

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Solution

The fourth proportional to 18,559.16, 27,840.30 and 6,078.92 is: 9,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.16 : 27,840.30 = 6,078.92 : x
  2. Step 2: Convert to fraction form
    18,559.16/27,840.30 = 6,078.92/x
  3. Step 3: Cross multiply
    18,559.16x = 27,840.30 × 6,078.92
  4. Step 4: Simplify right side
    18,559.16x = 169,238,956.48
  5. Step 5: Solve for x
    x = 169,238,956.48/18,559.16
  6. Step 6: Final answer
    x = 9,118.89

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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.