Home / 11,127.40-16,693.80-7,846.90

Finding the Fourth Proportional to 11,127.40, 16,693.80 and 7,846.90

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Solution

The fourth proportional to 11,127.40, 16,693.80 and 7,846.90 is: 11,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.40 : 16,693.80 = 7,846.90 : x
  2. Step 2: Convert to fraction form
    11,127.40/16,693.80 = 7,846.90/x
  3. Step 3: Cross multiply
    11,127.40x = 16,693.80 × 7,846.90
  4. Step 4: Simplify right side
    11,127.40x = 130,994,579.22
  5. Step 5: Solve for x
    x = 130,994,579.22/11,127.40
  6. Step 6: Final answer
    x = 11,772.25

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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.