Home / 13,604.49-18,774.27-7,636.23

Finding the Fourth Proportional to 13,604.49, 18,774.27 and 7,636.23

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Solution

The fourth proportional to 13,604.49, 18,774.27 and 7,636.23 is: 10,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.49 : 18,774.27 = 7,636.23 : x
  2. Step 2: Convert to fraction form
    13,604.49/18,774.27 = 7,636.23/x
  3. Step 3: Cross multiply
    13,604.49x = 18,774.27 × 7,636.23
  4. Step 4: Simplify right side
    13,604.49x = 143,364,643.80
  5. Step 5: Solve for x
    x = 143,364,643.80/13,604.49
  6. Step 6: Final answer
    x = 10,538.04

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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.