Home / 19,289.35-26,615.67-11,328.67

Finding the Fourth Proportional to 19,289.35, 26,615.67 and 11,328.67

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Solution

The fourth proportional to 19,289.35, 26,615.67 and 11,328.67 is: 15,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.35 : 26,615.67 = 11,328.67 : x
  2. Step 2: Convert to fraction form
    19,289.35/26,615.67 = 11,328.67/x
  3. Step 3: Cross multiply
    19,289.35x = 26,615.67 × 11,328.67
  4. Step 4: Simplify right side
    19,289.35x = 301,520,142.26
  5. Step 5: Solve for x
    x = 301,520,142.26/19,289.35
  6. Step 6: Final answer
    x = 15,631.43

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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.