Home / 14,814.60-22,221.90-13,688.20

Finding the Fourth Proportional to 14,814.60, 22,221.90 and 13,688.20

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Solution

The fourth proportional to 14,814.60, 22,221.90 and 13,688.20 is: 20,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.60 : 22,221.90 = 13,688.20 : x
  2. Step 2: Convert to fraction form
    14,814.60/22,221.90 = 13,688.20/x
  3. Step 3: Cross multiply
    14,814.60x = 22,221.90 × 13,688.20
  4. Step 4: Simplify right side
    14,814.60x = 304,177,811.58
  5. Step 5: Solve for x
    x = 304,177,811.58/14,814.60
  6. Step 6: Final answer
    x = 20,532.30

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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.