Home / 14,791.86-20,412.69-8,823.78

Finding the Fourth Proportional to 14,791.86, 20,412.69 and 8,823.78

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Solution

The fourth proportional to 14,791.86, 20,412.69 and 8,823.78 is: 12,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.86 : 20,412.69 = 8,823.78 : x
  2. Step 2: Convert to fraction form
    14,791.86/20,412.69 = 8,823.78/x
  3. Step 3: Cross multiply
    14,791.86x = 20,412.69 × 8,823.78
  4. Step 4: Simplify right side
    14,791.86x = 180,117,085.77
  5. Step 5: Solve for x
    x = 180,117,085.77/14,791.86
  6. Step 6: Final answer
    x = 12,176.77

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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.