Home / 22,021.14-30,384.40-13,071.62

Finding the Fourth Proportional to 22,021.14, 30,384.40 and 13,071.62

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Solution

The fourth proportional to 22,021.14, 30,384.40 and 13,071.62 is: 18,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.14 : 30,384.40 = 13,071.62 : x
  2. Step 2: Convert to fraction form
    22,021.14/30,384.40 = 13,071.62/x
  3. Step 3: Cross multiply
    22,021.14x = 30,384.40 × 13,071.62
  4. Step 4: Simplify right side
    22,021.14x = 397,173,330.73
  5. Step 5: Solve for x
    x = 397,173,330.73/22,021.14
  6. Step 6: Final answer
    x = 18,036.00

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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.