Home / 14,322.56-21,442.44-8,381.36

Finding the Fourth Proportional to 14,322.56, 21,442.44 and 8,381.36

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Solution

The fourth proportional to 14,322.56, 21,442.44 and 8,381.36 is: 12,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.56 : 21,442.44 = 8,381.36 : x
  2. Step 2: Convert to fraction form
    14,322.56/21,442.44 = 8,381.36/x
  3. Step 3: Cross multiply
    14,322.56x = 21,442.44 × 8,381.36
  4. Step 4: Simplify right side
    14,322.56x = 179,716,808.92
  5. Step 5: Solve for x
    x = 179,716,808.92/14,322.56
  6. Step 6: Final answer
    x = 12,547.81

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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.