Home / 15,556.93-21,460.76-9,882.43

Finding the Fourth Proportional to 15,556.93, 21,460.76 and 9,882.43

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Solution

The fourth proportional to 15,556.93, 21,460.76 and 9,882.43 is: 13,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.93 : 21,460.76 = 9,882.43 : x
  2. Step 2: Convert to fraction form
    15,556.93/21,460.76 = 9,882.43/x
  3. Step 3: Cross multiply
    15,556.93x = 21,460.76 × 9,882.43
  4. Step 4: Simplify right side
    15,556.93x = 212,084,458.45
  5. Step 5: Solve for x
    x = 212,084,458.45/15,556.93
  6. Step 6: Final answer
    x = 13,632.80

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1.5x scale

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.