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Finding the Fourth Proportional to 15,873.98, 23,815.92 and 9,555.77

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Solution

The fourth proportional to 15,873.98, 23,815.92 and 9,555.77 is: 14,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.98 : 23,815.92 = 9,555.77 : x
  2. Step 2: Convert to fraction form
    15,873.98/23,815.92 = 9,555.77/x
  3. Step 3: Cross multiply
    15,873.98x = 23,815.92 × 9,555.77
  4. Step 4: Simplify right side
    15,873.98x = 227,579,549.23
  5. Step 5: Solve for x
    x = 227,579,549.23/15,873.98
  6. Step 6: Final answer
    x = 14,336.65

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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.