Home / 14,667.55-21,999.09-4,806.61

Finding the Fourth Proportional to 14,667.55, 21,999.09 and 4,806.61

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Solution

The fourth proportional to 14,667.55, 21,999.09 and 4,806.61 is: 7,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667.55 : 21,999.09 = 4,806.61 : x
  2. Step 2: Convert to fraction form
    14,667.55/21,999.09 = 4,806.61/x
  3. Step 3: Cross multiply
    14,667.55x = 21,999.09 × 4,806.61
  4. Step 4: Simplify right side
    14,667.55x = 105,740,990.99
  5. Step 5: Solve for x
    x = 105,740,990.99/14,667.55
  6. Step 6: Final answer
    x = 7,209.18

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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.