Home / 14,125.10-21,193.05-13,903.70

Finding the Fourth Proportional to 14,125.10, 21,193.05 and 13,903.70

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Solution

The fourth proportional to 14,125.10, 21,193.05 and 13,903.70 is: 20,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.10 : 21,193.05 = 13,903.70 : x
  2. Step 2: Convert to fraction form
    14,125.10/21,193.05 = 13,903.70/x
  3. Step 3: Cross multiply
    14,125.10x = 21,193.05 × 13,903.70
  4. Step 4: Simplify right side
    14,125.10x = 294,661,809.29
  5. Step 5: Solve for x
    x = 294,661,809.29/14,125.10
  6. Step 6: Final answer
    x = 20,860.87

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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.