Home / 21,624.37-32,440.94-9,144.36

Finding the Fourth Proportional to 21,624.37, 32,440.94 and 9,144.36

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Solution

The fourth proportional to 21,624.37, 32,440.94 and 9,144.36 is: 13,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.37 : 32,440.94 = 9,144.36 : x
  2. Step 2: Convert to fraction form
    21,624.37/32,440.94 = 9,144.36/x
  3. Step 3: Cross multiply
    21,624.37x = 32,440.94 × 9,144.36
  4. Step 4: Simplify right side
    21,624.37x = 296,651,622.67
  5. Step 5: Solve for x
    x = 296,651,622.67/21,624.37
  6. Step 6: Final answer
    x = 13,718.40

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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.