Home / 14,169.46-21,257.02-7,938.32

Finding the Fourth Proportional to 14,169.46, 21,257.02 and 7,938.32

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Solution

The fourth proportional to 14,169.46, 21,257.02 and 7,938.32 is: 11,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.46 : 21,257.02 = 7,938.32 : x
  2. Step 2: Convert to fraction form
    14,169.46/21,257.02 = 7,938.32/x
  3. Step 3: Cross multiply
    14,169.46x = 21,257.02 × 7,938.32
  4. Step 4: Simplify right side
    14,169.46x = 168,745,027.01
  5. Step 5: Solve for x
    x = 168,745,027.01/14,169.46
  6. Step 6: Final answer
    x = 11,909.07

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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.