Home / 20,963.04-31,440.96-6,171.84

Finding the Fourth Proportional to 20,963.04, 31,440.96 and 6,171.84

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Solution

The fourth proportional to 20,963.04, 31,440.96 and 6,171.84 is: 9,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,963.04 : 31,440.96 = 6,171.84 : x
  2. Step 2: Convert to fraction form
    20,963.04/31,440.96 = 6,171.84/x
  3. Step 3: Cross multiply
    20,963.04x = 31,440.96 × 6,171.84
  4. Step 4: Simplify right side
    20,963.04x = 194,048,574.57
  5. Step 5: Solve for x
    x = 194,048,574.57/20,963.04
  6. Step 6: Final answer
    x = 9,256.70

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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.