Home / 15,753.72-23,630.57-12,969.23

Finding the Fourth Proportional to 15,753.72, 23,630.57 and 12,969.23

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Solution

The fourth proportional to 15,753.72, 23,630.57 and 12,969.23 is: 19,453.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.72 : 23,630.57 = 12,969.23 : x
  2. Step 2: Convert to fraction form
    15,753.72/23,630.57 = 12,969.23/x
  3. Step 3: Cross multiply
    15,753.72x = 23,630.57 × 12,969.23
  4. Step 4: Simplify right side
    15,753.72x = 306,470,211.63
  5. Step 5: Solve for x
    x = 306,470,211.63/15,753.72
  6. Step 6: Final answer
    x = 19,453.83

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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.