Home / 20,148.42-30,228.09-7,001.52

Finding the Fourth Proportional to 20,148.42, 30,228.09 and 7,001.52

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Solution

The fourth proportional to 20,148.42, 30,228.09 and 7,001.52 is: 10,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148.42 : 30,228.09 = 7,001.52 : x
  2. Step 2: Convert to fraction form
    20,148.42/30,228.09 = 7,001.52/x
  3. Step 3: Cross multiply
    20,148.42x = 30,228.09 × 7,001.52
  4. Step 4: Simplify right side
    20,148.42x = 211,642,576.70
  5. Step 5: Solve for x
    x = 211,642,576.70/20,148.42
  6. Step 6: Final answer
    x = 10,504.18

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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.