Home / 14,330.76-21,488.82-8,419.19

Finding the Fourth Proportional to 14,330.76, 21,488.82 and 8,419.19

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Solution

The fourth proportional to 14,330.76, 21,488.82 and 8,419.19 is: 12,624.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.76 : 21,488.82 = 8,419.19 : x
  2. Step 2: Convert to fraction form
    14,330.76/21,488.82 = 8,419.19/x
  3. Step 3: Cross multiply
    14,330.76x = 21,488.82 × 8,419.19
  4. Step 4: Simplify right side
    14,330.76x = 180,918,458.46
  5. Step 5: Solve for x
    x = 180,918,458.46/14,330.76
  6. Step 6: Final answer
    x = 12,624.49

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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.