Home / 18,668.93-25,763.13-10,285.43

Finding the Fourth Proportional to 18,668.93, 25,763.13 and 10,285.43

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Solution

The fourth proportional to 18,668.93, 25,763.13 and 10,285.43 is: 14,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.93 : 25,763.13 = 10,285.43 : x
  2. Step 2: Convert to fraction form
    18,668.93/25,763.13 = 10,285.43/x
  3. Step 3: Cross multiply
    18,668.93x = 25,763.13 × 10,285.43
  4. Step 4: Simplify right side
    18,668.93x = 264,984,870.20
  5. Step 5: Solve for x
    x = 264,984,870.20/18,668.93
  6. Step 6: Final answer
    x = 14,193.90

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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.