Home / 14,269.40-21,404.10-9,603.80

Finding the Fourth Proportional to 14,269.40, 21,404.10 and 9,603.80

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Solution

The fourth proportional to 14,269.40, 21,404.10 and 9,603.80 is: 14,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.40 : 21,404.10 = 9,603.80 : x
  2. Step 2: Convert to fraction form
    14,269.40/21,404.10 = 9,603.80/x
  3. Step 3: Cross multiply
    14,269.40x = 21,404.10 × 9,603.80
  4. Step 4: Simplify right side
    14,269.40x = 205,560,695.58
  5. Step 5: Solve for x
    x = 205,560,695.58/14,269.40
  6. Step 6: Final answer
    x = 14,405.70

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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.