Home / 20,064.81-30,087.09-11,747.46

Finding the Fourth Proportional to 20,064.81, 30,087.09 and 11,747.46

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Solution

The fourth proportional to 20,064.81, 30,087.09 and 11,747.46 is: 17,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.81 : 30,087.09 = 11,747.46 : x
  2. Step 2: Convert to fraction form
    20,064.81/30,087.09 = 11,747.46/x
  3. Step 3: Cross multiply
    20,064.81x = 30,087.09 × 11,747.46
  4. Step 4: Simplify right side
    20,064.81x = 353,446,886.29
  5. Step 5: Solve for x
    x = 353,446,886.29/20,064.81
  6. Step 6: Final answer
    x = 17,615.26

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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.