Home / 18,267.54-27,409.98-12,653.84

Finding the Fourth Proportional to 18,267.54, 27,409.98 and 12,653.84

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Solution

The fourth proportional to 18,267.54, 27,409.98 and 12,653.84 is: 18,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.54 : 27,409.98 = 12,653.84 : x
  2. Step 2: Convert to fraction form
    18,267.54/27,409.98 = 12,653.84/x
  3. Step 3: Cross multiply
    18,267.54x = 27,409.98 × 12,653.84
  4. Step 4: Simplify right side
    18,267.54x = 346,841,501.32
  5. Step 5: Solve for x
    x = 346,841,501.32/18,267.54
  6. Step 6: Final answer
    x = 18,986.77

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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.