Home / 19,011.06-28,529.55-8,630.10

Finding the Fourth Proportional to 19,011.06, 28,529.55 and 8,630.10

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Solution

The fourth proportional to 19,011.06, 28,529.55 and 8,630.10 is: 12,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.06 : 28,529.55 = 8,630.10 : x
  2. Step 2: Convert to fraction form
    19,011.06/28,529.55 = 8,630.10/x
  3. Step 3: Cross multiply
    19,011.06x = 28,529.55 × 8,630.10
  4. Step 4: Simplify right side
    19,011.06x = 246,212,869.46
  5. Step 5: Solve for x
    x = 246,212,869.46/19,011.06
  6. Step 6: Final answer
    x = 12,951.03

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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.