Home / 10,386.36-15,579.54-3,460.86

Finding the Fourth Proportional to 10,386.36, 15,579.54 and 3,460.86

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Solution

The fourth proportional to 10,386.36, 15,579.54 and 3,460.86 is: 5,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.36 : 15,579.54 = 3,460.86 : x
  2. Step 2: Convert to fraction form
    10,386.36/15,579.54 = 3,460.86/x
  3. Step 3: Cross multiply
    10,386.36x = 15,579.54 × 3,460.86
  4. Step 4: Simplify right side
    10,386.36x = 53,918,606.80
  5. Step 5: Solve for x
    x = 53,918,606.80/10,386.36
  6. Step 6: Final answer
    x = 5,191.29

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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.