Home / 14,439.32-21,672.58-7,424.25

Finding the Fourth Proportional to 14,439.32, 21,672.58 and 7,424.25

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Solution

The fourth proportional to 14,439.32, 21,672.58 and 7,424.25 is: 11,143.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.32 : 21,672.58 = 7,424.25 : x
  2. Step 2: Convert to fraction form
    14,439.32/21,672.58 = 7,424.25/x
  3. Step 3: Cross multiply
    14,439.32x = 21,672.58 × 7,424.25
  4. Step 4: Simplify right side
    14,439.32x = 160,902,652.07
  5. Step 5: Solve for x
    x = 160,902,652.07/14,439.32
  6. Step 6: Final answer
    x = 11,143.37

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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.