Home / 15,790.64-23,700.30-8,401.28

Finding the Fourth Proportional to 15,790.64, 23,700.30 and 8,401.28

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Solution

The fourth proportional to 15,790.64, 23,700.30 and 8,401.28 is: 12,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.64 : 23,700.30 = 8,401.28 : x
  2. Step 2: Convert to fraction form
    15,790.64/23,700.30 = 8,401.28/x
  3. Step 3: Cross multiply
    15,790.64x = 23,700.30 × 8,401.28
  4. Step 4: Simplify right side
    15,790.64x = 199,112,706.38
  5. Step 5: Solve for x
    x = 199,112,706.38/15,790.64
  6. Step 6: Final answer
    x = 12,609.54

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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.