Home / 18,259.07-27,389.57-5,780.41

Finding the Fourth Proportional to 18,259.07, 27,389.57 and 5,780.41

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Solution

The fourth proportional to 18,259.07, 27,389.57 and 5,780.41 is: 8,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.07 : 27,389.57 = 5,780.41 : x
  2. Step 2: Convert to fraction form
    18,259.07/27,389.57 = 5,780.41/x
  3. Step 3: Cross multiply
    18,259.07x = 27,389.57 × 5,780.41
  4. Step 4: Simplify right side
    18,259.07x = 158,322,944.32
  5. Step 5: Solve for x
    x = 158,322,944.32/18,259.07
  6. Step 6: Final answer
    x = 8,670.92

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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.