Home / 18,231.29-27,328.76-7,703.95

Finding the Fourth Proportional to 18,231.29, 27,328.76 and 7,703.95

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Solution

The fourth proportional to 18,231.29, 27,328.76 and 7,703.95 is: 11,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.29 : 27,328.76 = 7,703.95 : x
  2. Step 2: Convert to fraction form
    18,231.29/27,328.76 = 7,703.95/x
  3. Step 3: Cross multiply
    18,231.29x = 27,328.76 × 7,703.95
  4. Step 4: Simplify right side
    18,231.29x = 210,539,362.08
  5. Step 5: Solve for x
    x = 210,539,362.08/18,231.29
  6. Step 6: Final answer
    x = 11,548.25

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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.