Home / 11,412.74-17,119.10-4,298.32

Finding the Fourth Proportional to 11,412.74, 17,119.10 and 4,298.32

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Solution

The fourth proportional to 11,412.74, 17,119.10 and 4,298.32 is: 6,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.74 : 17,119.10 = 4,298.32 : x
  2. Step 2: Convert to fraction form
    11,412.74/17,119.10 = 4,298.32/x
  3. Step 3: Cross multiply
    11,412.74x = 17,119.10 × 4,298.32
  4. Step 4: Simplify right side
    11,412.74x = 73,583,278.94
  5. Step 5: Solve for x
    x = 73,583,278.94/11,412.74
  6. Step 6: Final answer
    x = 6,447.47

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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.