Home / 20,946.03-31,423.44-6,153.71

Finding the Fourth Proportional to 20,946.03, 31,423.44 and 6,153.71

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Solution

The fourth proportional to 20,946.03, 31,423.44 and 6,153.71 is: 9,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946.03 : 31,423.44 = 6,153.71 : x
  2. Step 2: Convert to fraction form
    20,946.03/31,423.44 = 6,153.71/x
  3. Step 3: Cross multiply
    20,946.03x = 31,423.44 × 6,153.71
  4. Step 4: Simplify right side
    20,946.03x = 193,370,602.92
  5. Step 5: Solve for x
    x = 193,370,602.92/20,946.03
  6. Step 6: Final answer
    x = 9,231.85

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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.