Home / 19,814.45-29,734.56-8,580.76

Finding the Fourth Proportional to 19,814.45, 29,734.56 and 8,580.76

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Solution

The fourth proportional to 19,814.45, 29,734.56 and 8,580.76 is: 12,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.45 : 29,734.56 = 8,580.76 : x
  2. Step 2: Convert to fraction form
    19,814.45/29,734.56 = 8,580.76/x
  3. Step 3: Cross multiply
    19,814.45x = 29,734.56 × 8,580.76
  4. Step 4: Simplify right side
    19,814.45x = 255,145,123.07
  5. Step 5: Solve for x
    x = 255,145,123.07/19,814.45
  6. Step 6: Final answer
    x = 12,876.72

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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.