Home / 15,806.56-23,712.40-4,860

Finding the Fourth Proportional to 15,806.56, 23,712.40 and 4,860

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Solution

The fourth proportional to 15,806.56, 23,712.40 and 4,860 is: 7,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.56 : 23,712.40 = 4,860 : x
  2. Step 2: Convert to fraction form
    15,806.56/23,712.40 = 4,860/x
  3. Step 3: Cross multiply
    15,806.56x = 23,712.40 × 4,860
  4. Step 4: Simplify right side
    15,806.56x = 115,242,264
  5. Step 5: Solve for x
    x = 115,242,264/15,806.56
  6. Step 6: Final answer
    x = 7,290.79

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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.