Home / 14,668.84-20,222.89-9,288.55

Finding the Fourth Proportional to 14,668.84, 20,222.89 and 9,288.55

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Solution

The fourth proportional to 14,668.84, 20,222.89 and 9,288.55 is: 12,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.84 : 20,222.89 = 9,288.55 : x
  2. Step 2: Convert to fraction form
    14,668.84/20,222.89 = 9,288.55/x
  3. Step 3: Cross multiply
    14,668.84x = 20,222.89 × 9,288.55
  4. Step 4: Simplify right side
    14,668.84x = 187,841,324.91
  5. Step 5: Solve for x
    x = 187,841,324.91/14,668.84
  6. Step 6: Final answer
    x = 12,805.47

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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.