Home / 18,190.98-25,108.38-10,636.92

Finding the Fourth Proportional to 18,190.98, 25,108.38 and 10,636.92

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Solution

The fourth proportional to 18,190.98, 25,108.38 and 10,636.92 is: 14,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.98 : 25,108.38 = 10,636.92 : x
  2. Step 2: Convert to fraction form
    18,190.98/25,108.38 = 10,636.92/x
  3. Step 3: Cross multiply
    18,190.98x = 25,108.38 × 10,636.92
  4. Step 4: Simplify right side
    18,190.98x = 267,075,829.39
  5. Step 5: Solve for x
    x = 267,075,829.39/18,190.98
  6. Step 6: Final answer
    x = 14,681.77

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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.