Home / 14,130.20-21,195.48-4,269.56

Finding the Fourth Proportional to 14,130.20, 21,195.48 and 4,269.56

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Solution

The fourth proportional to 14,130.20, 21,195.48 and 4,269.56 is: 6,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.20 : 21,195.48 = 4,269.56 : x
  2. Step 2: Convert to fraction form
    14,130.20/21,195.48 = 4,269.56/x
  3. Step 3: Cross multiply
    14,130.20x = 21,195.48 × 4,269.56
  4. Step 4: Simplify right side
    14,130.20x = 90,495,373.59
  5. Step 5: Solve for x
    x = 90,495,373.59/14,130.20
  6. Step 6: Final answer
    x = 6,404.39

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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.