Home / 18,668.72-25,762.32-10,285.04

Finding the Fourth Proportional to 18,668.72, 25,762.32 and 10,285.04

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Solution

The fourth proportional to 18,668.72, 25,762.32 and 10,285.04 is: 14,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.72 : 25,762.32 = 10,285.04 : x
  2. Step 2: Convert to fraction form
    18,668.72/25,762.32 = 10,285.04/x
  3. Step 3: Cross multiply
    18,668.72x = 25,762.32 × 10,285.04
  4. Step 4: Simplify right side
    18,668.72x = 264,966,491.69
  5. Step 5: Solve for x
    x = 264,966,491.69/18,668.72
  6. Step 6: Final answer
    x = 14,193.07

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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.