Home / 17,118.12-23,615.97-10,402.67

Finding the Fourth Proportional to 17,118.12, 23,615.97 and 10,402.67

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Solution

The fourth proportional to 17,118.12, 23,615.97 and 10,402.67 is: 14,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.12 : 23,615.97 = 10,402.67 : x
  2. Step 2: Convert to fraction form
    17,118.12/23,615.97 = 10,402.67/x
  3. Step 3: Cross multiply
    17,118.12x = 23,615.97 × 10,402.67
  4. Step 4: Simplify right side
    17,118.12x = 245,669,024.56
  5. Step 5: Solve for x
    x = 245,669,024.56/17,118.12
  6. Step 6: Final answer
    x = 14,351.40

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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.