Home / 17,990.55-26,951.40-9,667.80

Finding the Fourth Proportional to 17,990.55, 26,951.40 and 9,667.80

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Solution

The fourth proportional to 17,990.55, 26,951.40 and 9,667.80 is: 14,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.55 : 26,951.40 = 9,667.80 : x
  2. Step 2: Convert to fraction form
    17,990.55/26,951.40 = 9,667.80/x
  3. Step 3: Cross multiply
    17,990.55x = 26,951.40 × 9,667.80
  4. Step 4: Simplify right side
    17,990.55x = 260,560,744.92
  5. Step 5: Solve for x
    x = 260,560,744.92/17,990.55
  6. Step 6: Final answer
    x = 14,483.20

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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.