Home / 15,102.48-20,828.69-11,334.47

Finding the Fourth Proportional to 15,102.48, 20,828.69 and 11,334.47

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Solution

The fourth proportional to 15,102.48, 20,828.69 and 11,334.47 is: 15,632.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.48 : 20,828.69 = 11,334.47 : x
  2. Step 2: Convert to fraction form
    15,102.48/20,828.69 = 11,334.47/x
  3. Step 3: Cross multiply
    15,102.48x = 20,828.69 × 11,334.47
  4. Step 4: Simplify right side
    15,102.48x = 236,082,107.39
  5. Step 5: Solve for x
    x = 236,082,107.39/15,102.48
  6. Step 6: Final answer
    x = 15,632.01

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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.