Home / 20,053.26-30,079.88-11,283.39

Finding the Fourth Proportional to 20,053.26, 30,079.88 and 11,283.39

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Solution

The fourth proportional to 20,053.26, 30,079.88 and 11,283.39 is: 16,925.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.26 : 30,079.88 = 11,283.39 : x
  2. Step 2: Convert to fraction form
    20,053.26/30,079.88 = 11,283.39/x
  3. Step 3: Cross multiply
    20,053.26x = 30,079.88 × 11,283.39
  4. Step 4: Simplify right side
    20,053.26x = 339,402,960.78
  5. Step 5: Solve for x
    x = 339,402,960.78/20,053.26
  6. Step 6: Final answer
    x = 16,925.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.