Home / 14,301.75-21,406.05-12,937.71

Finding the Fourth Proportional to 14,301.75, 21,406.05 and 12,937.71

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Solution

The fourth proportional to 14,301.75, 21,406.05 and 12,937.71 is: 19,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.75 : 21,406.05 = 12,937.71 : x
  2. Step 2: Convert to fraction form
    14,301.75/21,406.05 = 12,937.71/x
  3. Step 3: Cross multiply
    14,301.75x = 21,406.05 × 12,937.71
  4. Step 4: Simplify right side
    14,301.75x = 276,945,267.15
  5. Step 5: Solve for x
    x = 276,945,267.15/14,301.75
  6. Step 6: Final answer
    x = 19,364.43

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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.