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Finding the Fourth Proportional to 15,804.80, 23,707.02 and 9,137.05

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Solution

The fourth proportional to 15,804.80, 23,707.02 and 9,137.05 is: 13,705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.80 : 23,707.02 = 9,137.05 : x
  2. Step 2: Convert to fraction form
    15,804.80/23,707.02 = 9,137.05/x
  3. Step 3: Cross multiply
    15,804.80x = 23,707.02 × 9,137.05
  4. Step 4: Simplify right side
    15,804.80x = 216,612,249.93
  5. Step 5: Solve for x
    x = 216,612,249.93/15,804.80
  6. Step 6: Final answer
    x = 13,705.48

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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.