Home / 15,701.75-21,658.80-9,324.01

Finding the Fourth Proportional to 15,701.75, 21,658.80 and 9,324.01

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Solution

The fourth proportional to 15,701.75, 21,658.80 and 9,324.01 is: 12,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,701.75 : 21,658.80 = 9,324.01 : x
  2. Step 2: Convert to fraction form
    15,701.75/21,658.80 = 9,324.01/x
  3. Step 3: Cross multiply
    15,701.75x = 21,658.80 × 9,324.01
  4. Step 4: Simplify right side
    15,701.75x = 201,946,867.79
  5. Step 5: Solve for x
    x = 201,946,867.79/15,701.75
  6. Step 6: Final answer
    x = 12,861.42

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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.