Home / 14,958.52-20,644.72-9,668.70

Finding the Fourth Proportional to 14,958.52, 20,644.72 and 9,668.70

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Solution

The fourth proportional to 14,958.52, 20,644.72 and 9,668.70 is: 13,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.52 : 20,644.72 = 9,668.70 : x
  2. Step 2: Convert to fraction form
    14,958.52/20,644.72 = 9,668.70/x
  3. Step 3: Cross multiply
    14,958.52x = 20,644.72 × 9,668.70
  4. Step 4: Simplify right side
    14,958.52x = 199,607,580.09
  5. Step 5: Solve for x
    x = 199,607,580.09/14,958.52
  6. Step 6: Final answer
    x = 13,344.08

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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.