Home / 14,355.41-21,537.30-8,812.31

Finding the Fourth Proportional to 14,355.41, 21,537.30 and 8,812.31

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Solution

The fourth proportional to 14,355.41, 21,537.30 and 8,812.31 is: 13,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.41 : 21,537.30 = 8,812.31 : x
  2. Step 2: Convert to fraction form
    14,355.41/21,537.30 = 8,812.31/x
  3. Step 3: Cross multiply
    14,355.41x = 21,537.30 × 8,812.31
  4. Step 4: Simplify right side
    14,355.41x = 189,793,364.16
  5. Step 5: Solve for x
    x = 189,793,364.16/14,355.41
  6. Step 6: Final answer
    x = 13,221.03

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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.