Home / 20,195.53-30,300.59-10,339.45

Finding the Fourth Proportional to 20,195.53, 30,300.59 and 10,339.45

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Solution

The fourth proportional to 20,195.53, 30,300.59 and 10,339.45 is: 15,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.53 : 30,300.59 = 10,339.45 : x
  2. Step 2: Convert to fraction form
    20,195.53/30,300.59 = 10,339.45/x
  3. Step 3: Cross multiply
    20,195.53x = 30,300.59 × 10,339.45
  4. Step 4: Simplify right side
    20,195.53x = 313,291,307.83
  5. Step 5: Solve for x
    x = 313,291,307.83/20,195.53
  6. Step 6: Final answer
    x = 15,512.91

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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.