Home / 11,089.45-16,637.36-6,412.81

Finding the Fourth Proportional to 11,089.45, 16,637.36 and 6,412.81

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Solution

The fourth proportional to 11,089.45, 16,637.36 and 6,412.81 is: 9,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.45 : 16,637.36 = 6,412.81 : x
  2. Step 2: Convert to fraction form
    11,089.45/16,637.36 = 6,412.81/x
  3. Step 3: Cross multiply
    11,089.45x = 16,637.36 × 6,412.81
  4. Step 4: Simplify right side
    11,089.45x = 106,692,228.58
  5. Step 5: Solve for x
    x = 106,692,228.58/11,089.45
  6. Step 6: Final answer
    x = 9,621.06

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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.