Home / 9,889.01-14,831.94-3,315.23

Finding the Fourth Proportional to 9,889.01, 14,831.94 and 3,315.23

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Solution

The fourth proportional to 9,889.01, 14,831.94 and 3,315.23 is: 4,972.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889.01 : 14,831.94 = 3,315.23 : x
  2. Step 2: Convert to fraction form
    9,889.01/14,831.94 = 3,315.23/x
  3. Step 3: Cross multiply
    9,889.01x = 14,831.94 × 3,315.23
  4. Step 4: Simplify right side
    9,889.01x = 49,171,292.45
  5. Step 5: Solve for x
    x = 49,171,292.45/9,889.01
  6. Step 6: Final answer
    x = 4,972.32

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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.