Home / 9,975.09-14,965.20-5,292.18

Finding the Fourth Proportional to 9,975.09, 14,965.20 and 5,292.18

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Solution

The fourth proportional to 9,975.09, 14,965.20 and 5,292.18 is: 7,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.09 : 14,965.20 = 5,292.18 : x
  2. Step 2: Convert to fraction form
    9,975.09/14,965.20 = 5,292.18/x
  3. Step 3: Cross multiply
    9,975.09x = 14,965.20 × 5,292.18
  4. Step 4: Simplify right side
    9,975.09x = 79,198,532.14
  5. Step 5: Solve for x
    x = 79,198,532.14/9,975.09
  6. Step 6: Final answer
    x = 7,939.63

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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.