Home / 15,639.76-23,400.78-10,968.89

Finding the Fourth Proportional to 15,639.76, 23,400.78 and 10,968.89

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Solution

The fourth proportional to 15,639.76, 23,400.78 and 10,968.89 is: 16,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.76 : 23,400.78 = 10,968.89 : x
  2. Step 2: Convert to fraction form
    15,639.76/23,400.78 = 10,968.89/x
  3. Step 3: Cross multiply
    15,639.76x = 23,400.78 × 10,968.89
  4. Step 4: Simplify right side
    15,639.76x = 256,680,464.73
  5. Step 5: Solve for x
    x = 256,680,464.73/15,639.76
  6. Step 6: Final answer
    x = 16,412.05

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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.