Home / 15,219.98-22,831.79-6,453.75

Finding the Fourth Proportional to 15,219.98, 22,831.79 and 6,453.75

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Solution

The fourth proportional to 15,219.98, 22,831.79 and 6,453.75 is: 9,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.98 : 22,831.79 = 6,453.75 : x
  2. Step 2: Convert to fraction form
    15,219.98/22,831.79 = 6,453.75/x
  3. Step 3: Cross multiply
    15,219.98x = 22,831.79 × 6,453.75
  4. Step 4: Simplify right side
    15,219.98x = 147,350,632.44
  5. Step 5: Solve for x
    x = 147,350,632.44/15,219.98
  6. Step 6: Final answer
    x = 9,681.40

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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.