Home / 18,386.44-25,373.46-10,933

Finding the Fourth Proportional to 18,386.44, 25,373.46 and 10,933

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Solution

The fourth proportional to 18,386.44, 25,373.46 and 10,933 is: 15,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.44 : 25,373.46 = 10,933 : x
  2. Step 2: Convert to fraction form
    18,386.44/25,373.46 = 10,933/x
  3. Step 3: Cross multiply
    18,386.44x = 25,373.46 × 10,933
  4. Step 4: Simplify right side
    18,386.44x = 277,408,038.18
  5. Step 5: Solve for x
    x = 277,408,038.18/18,386.44
  6. Step 6: Final answer
    x = 15,087.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.