Home / 15,941.36-23,884.68-8,919.86

Finding the Fourth Proportional to 15,941.36, 23,884.68 and 8,919.86

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Solution

The fourth proportional to 15,941.36, 23,884.68 and 8,919.86 is: 13,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.36 : 23,884.68 = 8,919.86 : x
  2. Step 2: Convert to fraction form
    15,941.36/23,884.68 = 8,919.86/x
  3. Step 3: Cross multiply
    15,941.36x = 23,884.68 × 8,919.86
  4. Step 4: Simplify right side
    15,941.36x = 213,048,001.74
  5. Step 5: Solve for x
    x = 213,048,001.74/15,941.36
  6. Step 6: Final answer
    x = 13,364.48

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1.5x scale

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.