Home / 15,727.84-23,597.42-7,930.78

Finding the Fourth Proportional to 15,727.84, 23,597.42 and 7,930.78

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Solution

The fourth proportional to 15,727.84, 23,597.42 and 7,930.78 is: 11,899.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.84 : 23,597.42 = 7,930.78 : x
  2. Step 2: Convert to fraction form
    15,727.84/23,597.42 = 7,930.78/x
  3. Step 3: Cross multiply
    15,727.84x = 23,597.42 × 7,930.78
  4. Step 4: Simplify right side
    15,727.84x = 187,145,946.59
  5. Step 5: Solve for x
    x = 187,145,946.59/15,727.84
  6. Step 6: Final answer
    x = 11,899.02

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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.