Home / 18,669.54-25,762.78-10,286.04

Finding the Fourth Proportional to 18,669.54, 25,762.78 and 10,286.04

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Solution

The fourth proportional to 18,669.54, 25,762.78 and 10,286.04 is: 14,194.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.54 : 25,762.78 = 10,286.04 : x
  2. Step 2: Convert to fraction form
    18,669.54/25,762.78 = 10,286.04/x
  3. Step 3: Cross multiply
    18,669.54x = 25,762.78 × 10,286.04
  4. Step 4: Simplify right side
    18,669.54x = 264,996,985.59
  5. Step 5: Solve for x
    x = 264,996,985.59/18,669.54
  6. Step 6: Final answer
    x = 14,194.08

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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.