Home / 10,554.25-15,831.39-3,628.75

Finding the Fourth Proportional to 10,554.25, 15,831.39 and 3,628.75

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Solution

The fourth proportional to 10,554.25, 15,831.39 and 3,628.75 is: 5,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.25 : 15,831.39 = 3,628.75 : x
  2. Step 2: Convert to fraction form
    10,554.25/15,831.39 = 3,628.75/x
  3. Step 3: Cross multiply
    10,554.25x = 15,831.39 × 3,628.75
  4. Step 4: Simplify right side
    10,554.25x = 57,448,156.46
  5. Step 5: Solve for x
    x = 57,448,156.46/10,554.25
  6. Step 6: Final answer
    x = 5,443.13

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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.