Home / 12,556.01-18,840.14-5,162.69

Finding the Fourth Proportional to 12,556.01, 18,840.14 and 5,162.69

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Solution

The fourth proportional to 12,556.01, 18,840.14 and 5,162.69 is: 7,746.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.01 : 18,840.14 = 5,162.69 : x
  2. Step 2: Convert to fraction form
    12,556.01/18,840.14 = 5,162.69/x
  3. Step 3: Cross multiply
    12,556.01x = 18,840.14 × 5,162.69
  4. Step 4: Simplify right side
    12,556.01x = 97,265,776.56
  5. Step 5: Solve for x
    x = 97,265,776.56/12,556.01
  6. Step 6: Final answer
    x = 7,746.55

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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.