Home / 20,165.49-30,253.14-7,017.93

Finding the Fourth Proportional to 20,165.49, 30,253.14 and 7,017.93

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Solution

The fourth proportional to 20,165.49, 30,253.14 and 7,017.93 is: 10,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.49 : 30,253.14 = 7,017.93 : x
  2. Step 2: Convert to fraction form
    20,165.49/30,253.14 = 7,017.93/x
  3. Step 3: Cross multiply
    20,165.49x = 30,253.14 × 7,017.93
  4. Step 4: Simplify right side
    20,165.49x = 212,314,418.80
  5. Step 5: Solve for x
    x = 212,314,418.80/20,165.49
  6. Step 6: Final answer
    x = 10,528.60

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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.