Home / 12,760.07-19,134.70-4,861.35

Finding the Fourth Proportional to 12,760.07, 19,134.70 and 4,861.35

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Solution

The fourth proportional to 12,760.07, 19,134.70 and 4,861.35 is: 7,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.07 : 19,134.70 = 4,861.35 : x
  2. Step 2: Convert to fraction form
    12,760.07/19,134.70 = 4,861.35/x
  3. Step 3: Cross multiply
    12,760.07x = 19,134.70 × 4,861.35
  4. Step 4: Simplify right side
    12,760.07x = 93,020,461.69
  5. Step 5: Solve for x
    x = 93,020,461.69/12,760.07
  6. Step 6: Final answer
    x = 7,289.97

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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.