Home / 15,376.76-23,072.42-9,149.08

Finding the Fourth Proportional to 15,376.76, 23,072.42 and 9,149.08

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Solution

The fourth proportional to 15,376.76, 23,072.42 and 9,149.08 is: 13,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376.76 : 23,072.42 = 9,149.08 : x
  2. Step 2: Convert to fraction form
    15,376.76/23,072.42 = 9,149.08/x
  3. Step 3: Cross multiply
    15,376.76x = 23,072.42 × 9,149.08
  4. Step 4: Simplify right side
    15,376.76x = 211,091,416.37
  5. Step 5: Solve for x
    x = 211,091,416.37/15,376.76
  6. Step 6: Final answer
    x = 13,727.95

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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.