Home / 14,154.03-19,533.06-8,489.70

Finding the Fourth Proportional to 14,154.03, 19,533.06 and 8,489.70

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Solution

The fourth proportional to 14,154.03, 19,533.06 and 8,489.70 is: 11,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.03 : 19,533.06 = 8,489.70 : x
  2. Step 2: Convert to fraction form
    14,154.03/19,533.06 = 8,489.70/x
  3. Step 3: Cross multiply
    14,154.03x = 19,533.06 × 8,489.70
  4. Step 4: Simplify right side
    14,154.03x = 165,829,819.48
  5. Step 5: Solve for x
    x = 165,829,819.48/14,154.03
  6. Step 6: Final answer
    x = 11,716.09

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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.