Home / 14,267.60-21,401.40-12,736.70

Finding the Fourth Proportional to 14,267.60, 21,401.40 and 12,736.70

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Solution

The fourth proportional to 14,267.60, 21,401.40 and 12,736.70 is: 19,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.60 : 21,401.40 = 12,736.70 : x
  2. Step 2: Convert to fraction form
    14,267.60/21,401.40 = 12,736.70/x
  3. Step 3: Cross multiply
    14,267.60x = 21,401.40 × 12,736.70
  4. Step 4: Simplify right side
    14,267.60x = 272,583,211.38
  5. Step 5: Solve for x
    x = 272,583,211.38/14,267.60
  6. Step 6: Final answer
    x = 19,105.05

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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.