Home / 19,776.40-29,668.26-6,271

Finding the Fourth Proportional to 19,776.40, 29,668.26 and 6,271

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Solution

The fourth proportional to 19,776.40, 29,668.26 and 6,271 is: 9,407.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,776.40 : 29,668.26 = 6,271 : x
  2. Step 2: Convert to fraction form
    19,776.40/29,668.26 = 6,271/x
  3. Step 3: Cross multiply
    19,776.40x = 29,668.26 × 6,271
  4. Step 4: Simplify right side
    19,776.40x = 186,049,658.46
  5. Step 5: Solve for x
    x = 186,049,658.46/19,776.40
  6. Step 6: Final answer
    x = 9,407.66

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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.