Home / 22,031.23-30,403.12-11,959.67

Finding the Fourth Proportional to 22,031.23, 30,403.12 and 11,959.67

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Solution

The fourth proportional to 22,031.23, 30,403.12 and 11,959.67 is: 16,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.23 : 30,403.12 = 11,959.67 : x
  2. Step 2: Convert to fraction form
    22,031.23/30,403.12 = 11,959.67/x
  3. Step 3: Cross multiply
    22,031.23x = 30,403.12 × 11,959.67
  4. Step 4: Simplify right side
    22,031.23x = 363,611,100.26
  5. Step 5: Solve for x
    x = 363,611,100.26/22,031.23
  6. Step 6: Final answer
    x = 16,504.35

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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.