Home / 10,376.54-15,544.02-9,831.44

Finding the Fourth Proportional to 10,376.54, 15,544.02 and 9,831.44

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Solution

The fourth proportional to 10,376.54, 15,544.02 and 9,831.44 is: 14,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.54 : 15,544.02 = 9,831.44 : x
  2. Step 2: Convert to fraction form
    10,376.54/15,544.02 = 9,831.44/x
  3. Step 3: Cross multiply
    10,376.54x = 15,544.02 × 9,831.44
  4. Step 4: Simplify right side
    10,376.54x = 152,820,099.99
  5. Step 5: Solve for x
    x = 152,820,099.99/10,376.54
  6. Step 6: Final answer
    x = 14,727.46

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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.