Home / 14,212.59-19,639.44-13,529.76

Finding the Fourth Proportional to 14,212.59, 19,639.44 and 13,529.76

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Solution

The fourth proportional to 14,212.59, 19,639.44 and 13,529.76 is: 18,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.59 : 19,639.44 = 13,529.76 : x
  2. Step 2: Convert to fraction form
    14,212.59/19,639.44 = 13,529.76/x
  3. Step 3: Cross multiply
    14,212.59x = 19,639.44 × 13,529.76
  4. Step 4: Simplify right side
    14,212.59x = 265,716,909.73
  5. Step 5: Solve for x
    x = 265,716,909.73/14,212.59
  6. Step 6: Final answer
    x = 18,695.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.