Home / 14,277.60-21,392.10-12,187.80

Finding the Fourth Proportional to 14,277.60, 21,392.10 and 12,187.80

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Solution

The fourth proportional to 14,277.60, 21,392.10 and 12,187.80 is: 18,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.60 : 21,392.10 = 12,187.80 : x
  2. Step 2: Convert to fraction form
    14,277.60/21,392.10 = 12,187.80/x
  3. Step 3: Cross multiply
    14,277.60x = 21,392.10 × 12,187.80
  4. Step 4: Simplify right side
    14,277.60x = 260,722,636.38
  5. Step 5: Solve for x
    x = 260,722,636.38/14,277.60
  6. Step 6: Final answer
    x = 18,260.96

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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.