Home / 14,342.40-21,513.42-3,954.06

Finding the Fourth Proportional to 14,342.40, 21,513.42 and 3,954.06

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Solution

The fourth proportional to 14,342.40, 21,513.42 and 3,954.06 is: 5,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.40 : 21,513.42 = 3,954.06 : x
  2. Step 2: Convert to fraction form
    14,342.40/21,513.42 = 3,954.06/x
  3. Step 3: Cross multiply
    14,342.40x = 21,513.42 × 3,954.06
  4. Step 4: Simplify right side
    14,342.40x = 85,065,353.49
  5. Step 5: Solve for x
    x = 85,065,353.49/14,342.40
  6. Step 6: Final answer
    x = 5,931.04

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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.