Home / 14,861.20-22,259.88-13,988.96

Finding the Fourth Proportional to 14,861.20, 22,259.88 and 13,988.96

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Solution

The fourth proportional to 14,861.20, 22,259.88 and 13,988.96 is: 20,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.20 : 22,259.88 = 13,988.96 : x
  2. Step 2: Convert to fraction form
    14,861.20/22,259.88 = 13,988.96/x
  3. Step 3: Cross multiply
    14,861.20x = 22,259.88 × 13,988.96
  4. Step 4: Simplify right side
    14,861.20x = 311,392,570.92
  5. Step 5: Solve for x
    x = 311,392,570.92/14,861.20
  6. Step 6: Final answer
    x = 20,953.39

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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.