Home / 20,214.73-30,328.30-10,360.93

Finding the Fourth Proportional to 20,214.73, 30,328.30 and 10,360.93

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Solution

The fourth proportional to 20,214.73, 30,328.30 and 10,360.93 is: 15,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.73 : 30,328.30 = 10,360.93 : x
  2. Step 2: Convert to fraction form
    20,214.73/30,328.30 = 10,360.93/x
  3. Step 3: Cross multiply
    20,214.73x = 30,328.30 × 10,360.93
  4. Step 4: Simplify right side
    20,214.73x = 314,229,393.32
  5. Step 5: Solve for x
    x = 314,229,393.32/20,214.73
  6. Step 6: Final answer
    x = 15,544.58

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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.