Home / 20,170.49-30,260.64-7,022.93

Finding the Fourth Proportional to 20,170.49, 30,260.64 and 7,022.93

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Solution

The fourth proportional to 20,170.49, 30,260.64 and 7,022.93 is: 10,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.49 : 30,260.64 = 7,022.93 : x
  2. Step 2: Convert to fraction form
    20,170.49/30,260.64 = 7,022.93/x
  3. Step 3: Cross multiply
    20,170.49x = 30,260.64 × 7,022.93
  4. Step 4: Simplify right side
    20,170.49x = 212,518,356.48
  5. Step 5: Solve for x
    x = 212,518,356.48/20,170.49
  6. Step 6: Final answer
    x = 10,536.10

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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.