Home / 12,926.79-17,847.14-8,946.45

Finding the Fourth Proportional to 12,926.79, 17,847.14 and 8,946.45

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Solution

The fourth proportional to 12,926.79, 17,847.14 and 8,946.45 is: 12,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.79 : 17,847.14 = 8,946.45 : x
  2. Step 2: Convert to fraction form
    12,926.79/17,847.14 = 8,946.45/x
  3. Step 3: Cross multiply
    12,926.79x = 17,847.14 × 8,946.45
  4. Step 4: Simplify right side
    12,926.79x = 159,668,500.92
  5. Step 5: Solve for x
    x = 159,668,500.92/12,926.79
  6. Step 6: Final answer
    x = 12,351.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.