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Finding the Fourth Proportional to 22,740.57, 34,113.93 and 7,946.01

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Solution

The fourth proportional to 22,740.57, 34,113.93 and 7,946.01 is: 11,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,740.57 : 34,113.93 = 7,946.01 : x
  2. Step 2: Convert to fraction form
    22,740.57/34,113.93 = 7,946.01/x
  3. Step 3: Cross multiply
    22,740.57x = 34,113.93 × 7,946.01
  4. Step 4: Simplify right side
    22,740.57x = 271,069,628.92
  5. Step 5: Solve for x
    x = 271,069,628.92/22,740.57
  6. Step 6: Final answer
    x = 11,920.09

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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.