Home / 14,444.72-21,652.90-7,428.09

Finding the Fourth Proportional to 14,444.72, 21,652.90 and 7,428.09

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Solution

The fourth proportional to 14,444.72, 21,652.90 and 7,428.09 is: 11,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,444.72 : 21,652.90 = 7,428.09 : x
  2. Step 2: Convert to fraction form
    14,444.72/21,652.90 = 7,428.09/x
  3. Step 3: Cross multiply
    14,444.72x = 21,652.90 × 7,428.09
  4. Step 4: Simplify right side
    14,444.72x = 160,839,689.96
  5. Step 5: Solve for x
    x = 160,839,689.96/14,444.72
  6. Step 6: Final answer
    x = 11,134.84

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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.