Home / 18,255.16-27,386.88-5,775.94

Finding the Fourth Proportional to 18,255.16, 27,386.88 and 5,775.94

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Solution

The fourth proportional to 18,255.16, 27,386.88 and 5,775.94 is: 8,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.16 : 27,386.88 = 5,775.94 : x
  2. Step 2: Convert to fraction form
    18,255.16/27,386.88 = 5,775.94/x
  3. Step 3: Cross multiply
    18,255.16x = 27,386.88 × 5,775.94
  4. Step 4: Simplify right side
    18,255.16x = 158,184,975.67
  5. Step 5: Solve for x
    x = 158,184,975.67/18,255.16
  6. Step 6: Final answer
    x = 8,665.22

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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.