Home / 15,639.30-23,461.62-5,778.63

Finding the Fourth Proportional to 15,639.30, 23,461.62 and 5,778.63

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Solution

The fourth proportional to 15,639.30, 23,461.62 and 5,778.63 is: 8,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.30 : 23,461.62 = 5,778.63 : x
  2. Step 2: Convert to fraction form
    15,639.30/23,461.62 = 5,778.63/x
  3. Step 3: Cross multiply
    15,639.30x = 23,461.62 × 5,778.63
  4. Step 4: Simplify right side
    15,639.30x = 135,576,021.18
  5. Step 5: Solve for x
    x = 135,576,021.18/15,639.30
  6. Step 6: Final answer
    x = 8,668.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.