Home / 20,321.52-30,484.56-11,554.08

Finding the Fourth Proportional to 20,321.52, 30,484.56 and 11,554.08

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Solution

The fourth proportional to 20,321.52, 30,484.56 and 11,554.08 is: 17,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,321.52 : 30,484.56 = 11,554.08 : x
  2. Step 2: Convert to fraction form
    20,321.52/30,484.56 = 11,554.08/x
  3. Step 3: Cross multiply
    20,321.52x = 30,484.56 × 11,554.08
  4. Step 4: Simplify right side
    20,321.52x = 352,221,045.00
  5. Step 5: Solve for x
    x = 352,221,045.00/20,321.52
  6. Step 6: Final answer
    x = 17,332.42

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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.