Home / 11,114.04-16,637.80-6,718.20

Finding the Fourth Proportional to 11,114.04, 16,637.80 and 6,718.20

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Solution

The fourth proportional to 11,114.04, 16,637.80 and 6,718.20 is: 10,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.04 : 16,637.80 = 6,718.20 : x
  2. Step 2: Convert to fraction form
    11,114.04/16,637.80 = 6,718.20/x
  3. Step 3: Cross multiply
    11,114.04x = 16,637.80 × 6,718.20
  4. Step 4: Simplify right side
    11,114.04x = 111,776,067.96
  5. Step 5: Solve for x
    x = 111,776,067.96/11,114.04
  6. Step 6: Final answer
    x = 10,057.20

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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.