Home / 14,941.71-20,613.38-8,890.75

Finding the Fourth Proportional to 14,941.71, 20,613.38 and 8,890.75

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Solution

The fourth proportional to 14,941.71, 20,613.38 and 8,890.75 is: 12,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,941.71 : 20,613.38 = 8,890.75 : x
  2. Step 2: Convert to fraction form
    14,941.71/20,613.38 = 8,890.75/x
  3. Step 3: Cross multiply
    14,941.71x = 20,613.38 × 8,890.75
  4. Step 4: Simplify right side
    14,941.71x = 183,268,362.26
  5. Step 5: Solve for x
    x = 183,268,362.26/14,941.71
  6. Step 6: Final answer
    x = 12,265.55

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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.