Home / 20,242.69-30,339.42-10,376.58

Finding the Fourth Proportional to 20,242.69, 30,339.42 and 10,376.58

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Solution

The fourth proportional to 20,242.69, 30,339.42 and 10,376.58 is: 15,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.69 : 30,339.42 = 10,376.58 : x
  2. Step 2: Convert to fraction form
    20,242.69/30,339.42 = 10,376.58/x
  3. Step 3: Cross multiply
    20,242.69x = 30,339.42 × 10,376.58
  4. Step 4: Simplify right side
    20,242.69x = 314,819,418.78
  5. Step 5: Solve for x
    x = 314,819,418.78/20,242.69
  6. Step 6: Final answer
    x = 15,552.25

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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.