Home / 19,245.40-26,564.70-11,290.84

Finding the Fourth Proportional to 19,245.40, 26,564.70 and 11,290.84

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Solution

The fourth proportional to 19,245.40, 26,564.70 and 11,290.84 is: 15,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.40 : 26,564.70 = 11,290.84 : x
  2. Step 2: Convert to fraction form
    19,245.40/26,564.70 = 11,290.84/x
  3. Step 3: Cross multiply
    19,245.40x = 26,564.70 × 11,290.84
  4. Step 4: Simplify right side
    19,245.40x = 299,937,777.35
  5. Step 5: Solve for x
    x = 299,937,777.35/19,245.40
  6. Step 6: Final answer
    x = 15,584.91

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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.