Home / 18,668.12-25,762.02-10,284.62

Finding the Fourth Proportional to 18,668.12, 25,762.02 and 10,284.62

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Solution

The fourth proportional to 18,668.12, 25,762.02 and 10,284.62 is: 14,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.12 : 25,762.02 = 10,284.62 : x
  2. Step 2: Convert to fraction form
    18,668.12/25,762.02 = 10,284.62/x
  3. Step 3: Cross multiply
    18,668.12x = 25,762.02 × 10,284.62
  4. Step 4: Simplify right side
    18,668.12x = 264,952,586.13
  5. Step 5: Solve for x
    x = 264,952,586.13/18,668.12
  6. Step 6: Final answer
    x = 14,192.78

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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.