Home / 14,143.48-21,170.90-9,735.16

Finding the Fourth Proportional to 14,143.48, 21,170.90 and 9,735.16

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Solution

The fourth proportional to 14,143.48, 21,170.90 and 9,735.16 is: 14,572.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.48 : 21,170.90 = 9,735.16 : x
  2. Step 2: Convert to fraction form
    14,143.48/21,170.90 = 9,735.16/x
  3. Step 3: Cross multiply
    14,143.48x = 21,170.90 × 9,735.16
  4. Step 4: Simplify right side
    14,143.48x = 206,102,098.84
  5. Step 5: Solve for x
    x = 206,102,098.84/14,143.48
  6. Step 6: Final answer
    x = 14,572.23

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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.