Home / 22,031.04-30,402.84-11,959.47

Finding the Fourth Proportional to 22,031.04, 30,402.84 and 11,959.47

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Solution

The fourth proportional to 22,031.04, 30,402.84 and 11,959.47 is: 16,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.04 : 30,402.84 = 11,959.47 : x
  2. Step 2: Convert to fraction form
    22,031.04/30,402.84 = 11,959.47/x
  3. Step 3: Cross multiply
    22,031.04x = 30,402.84 × 11,959.47
  4. Step 4: Simplify right side
    22,031.04x = 363,601,852.89
  5. Step 5: Solve for x
    x = 363,601,852.89/22,031.04
  6. Step 6: Final answer
    x = 16,504.07

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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.