Home / 15,549.64-21,460.48-11,582.06

Finding the Fourth Proportional to 15,549.64, 21,460.48 and 11,582.06

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Solution

The fourth proportional to 15,549.64, 21,460.48 and 11,582.06 is: 15,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.64 : 21,460.48 = 11,582.06 : x
  2. Step 2: Convert to fraction form
    15,549.64/21,460.48 = 11,582.06/x
  3. Step 3: Cross multiply
    15,549.64x = 21,460.48 × 11,582.06
  4. Step 4: Simplify right side
    15,549.64x = 248,556,430.73
  5. Step 5: Solve for x
    x = 248,556,430.73/15,549.64
  6. Step 6: Final answer
    x = 15,984.71

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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.