Home / 14,739.36-20,337.12-8,771.52

Finding the Fourth Proportional to 14,739.36, 20,337.12 and 8,771.52

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Solution

The fourth proportional to 14,739.36, 20,337.12 and 8,771.52 is: 12,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.36 : 20,337.12 = 8,771.52 : x
  2. Step 2: Convert to fraction form
    14,739.36/20,337.12 = 8,771.52/x
  3. Step 3: Cross multiply
    14,739.36x = 20,337.12 × 8,771.52
  4. Step 4: Simplify right side
    14,739.36x = 178,387,454.82
  5. Step 5: Solve for x
    x = 178,387,454.82/14,739.36
  6. Step 6: Final answer
    x = 12,102.80

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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.