Home / 18,267.94-25,209.76-9,884.44

Finding the Fourth Proportional to 18,267.94, 25,209.76 and 9,884.44

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Solution

The fourth proportional to 18,267.94, 25,209.76 and 9,884.44 is: 13,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.94 : 25,209.76 = 9,884.44 : x
  2. Step 2: Convert to fraction form
    18,267.94/25,209.76 = 9,884.44/x
  3. Step 3: Cross multiply
    18,267.94x = 25,209.76 × 9,884.44
  4. Step 4: Simplify right side
    18,267.94x = 249,184,272.40
  5. Step 5: Solve for x
    x = 249,184,272.40/18,267.94
  6. Step 6: Final answer
    x = 13,640.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.