Home / 18,826.02-28,233.63-7,581.33

Finding the Fourth Proportional to 18,826.02, 28,233.63 and 7,581.33

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Solution

The fourth proportional to 18,826.02, 28,233.63 and 7,581.33 is: 11,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.02 : 28,233.63 = 7,581.33 : x
  2. Step 2: Convert to fraction form
    18,826.02/28,233.63 = 7,581.33/x
  3. Step 3: Cross multiply
    18,826.02x = 28,233.63 × 7,581.33
  4. Step 4: Simplify right side
    18,826.02x = 214,048,466.13
  5. Step 5: Solve for x
    x = 214,048,466.13/18,826.02
  6. Step 6: Final answer
    x = 11,369.82

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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.