Home / 14,167.80-21,237.83-5,276.60

Finding the Fourth Proportional to 14,167.80, 21,237.83 and 5,276.60

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Solution

The fourth proportional to 14,167.80, 21,237.83 and 5,276.60 is: 7,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.80 : 21,237.83 = 5,276.60 : x
  2. Step 2: Convert to fraction form
    14,167.80/21,237.83 = 5,276.60/x
  3. Step 3: Cross multiply
    14,167.80x = 21,237.83 × 5,276.60
  4. Step 4: Simplify right side
    14,167.80x = 112,063,401.21
  5. Step 5: Solve for x
    x = 112,063,401.21/14,167.80
  6. Step 6: Final answer
    x = 7,909.72

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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.