Home / 9,800.28-14,702.04-5,421.96

Finding the Fourth Proportional to 9,800.28, 14,702.04 and 5,421.96

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Solution

The fourth proportional to 9,800.28, 14,702.04 and 5,421.96 is: 8,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.28 : 14,702.04 = 5,421.96 : x
  2. Step 2: Convert to fraction form
    9,800.28/14,702.04 = 5,421.96/x
  3. Step 3: Cross multiply
    9,800.28x = 14,702.04 × 5,421.96
  4. Step 4: Simplify right side
    9,800.28x = 79,713,872.80
  5. Step 5: Solve for x
    x = 79,713,872.80/9,800.28
  6. Step 6: Final answer
    x = 8,133.84

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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.