Home / 23,157.16-34,742.46-9,305.32

Finding the Fourth Proportional to 23,157.16, 34,742.46 and 9,305.32

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Solution

The fourth proportional to 23,157.16, 34,742.46 and 9,305.32 is: 13,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.16 : 34,742.46 = 9,305.32 : x
  2. Step 2: Convert to fraction form
    23,157.16/34,742.46 = 9,305.32/x
  3. Step 3: Cross multiply
    23,157.16x = 34,742.46 × 9,305.32
  4. Step 4: Simplify right side
    23,157.16x = 323,289,707.89
  5. Step 5: Solve for x
    x = 323,289,707.89/23,157.16
  6. Step 6: Final answer
    x = 13,960.68

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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.