Home / 9,807.40-14,714.70-5,122.36

Finding the Fourth Proportional to 9,807.40, 14,714.70 and 5,122.36

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Solution

The fourth proportional to 9,807.40, 14,714.70 and 5,122.36 is: 7,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.40 : 14,714.70 = 5,122.36 : x
  2. Step 2: Convert to fraction form
    9,807.40/14,714.70 = 5,122.36/x
  3. Step 3: Cross multiply
    9,807.40x = 14,714.70 × 5,122.36
  4. Step 4: Simplify right side
    9,807.40x = 75,373,990.69
  5. Step 5: Solve for x
    x = 75,373,990.69/9,807.40
  6. Step 6: Final answer
    x = 7,685.42

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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.