Home / 14,148.04-21,225.38-13,912.96

Finding the Fourth Proportional to 14,148.04, 21,225.38 and 13,912.96

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Solution

The fourth proportional to 14,148.04, 21,225.38 and 13,912.96 is: 20,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.04 : 21,225.38 = 13,912.96 : x
  2. Step 2: Convert to fraction form
    14,148.04/21,225.38 = 13,912.96/x
  3. Step 3: Cross multiply
    14,148.04x = 21,225.38 × 13,912.96
  4. Step 4: Simplify right side
    14,148.04x = 295,307,862.92
  5. Step 5: Solve for x
    x = 295,307,862.92/14,148.04
  6. Step 6: Final answer
    x = 20,872.70

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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.