Home / 13,853.04-20,784.68-9,935.57

Finding the Fourth Proportional to 13,853.04, 20,784.68 and 9,935.57

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Solution

The fourth proportional to 13,853.04, 20,784.68 and 9,935.57 is: 14,907.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.04 : 20,784.68 = 9,935.57 : x
  2. Step 2: Convert to fraction form
    13,853.04/20,784.68 = 9,935.57/x
  3. Step 3: Cross multiply
    13,853.04x = 20,784.68 × 9,935.57
  4. Step 4: Simplify right side
    13,853.04x = 206,507,682.61
  5. Step 5: Solve for x
    x = 206,507,682.61/13,853.04
  6. Step 6: Final answer
    x = 14,907.03

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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.