Home / 17,855.12-24,639.66-9,897.27

Finding the Fourth Proportional to 17,855.12, 24,639.66 and 9,897.27

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Solution

The fourth proportional to 17,855.12, 24,639.66 and 9,897.27 is: 13,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.12 : 24,639.66 = 9,897.27 : x
  2. Step 2: Convert to fraction form
    17,855.12/24,639.66 = 9,897.27/x
  3. Step 3: Cross multiply
    17,855.12x = 24,639.66 × 9,897.27
  4. Step 4: Simplify right side
    17,855.12x = 243,865,367.73
  5. Step 5: Solve for x
    x = 243,865,367.73/17,855.12
  6. Step 6: Final answer
    x = 13,658.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.