Home / 13,554.83-18,705.66-7,586.50

Finding the Fourth Proportional to 13,554.83, 18,705.66 and 7,586.50

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Solution

The fourth proportional to 13,554.83, 18,705.66 and 7,586.50 is: 10,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.83 : 18,705.66 = 7,586.50 : x
  2. Step 2: Convert to fraction form
    13,554.83/18,705.66 = 7,586.50/x
  3. Step 3: Cross multiply
    13,554.83x = 18,705.66 × 7,586.50
  4. Step 4: Simplify right side
    13,554.83x = 141,910,513.46
  5. Step 5: Solve for x
    x = 141,910,513.46/13,554.83
  6. Step 6: Final answer
    x = 10,469.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.