Home / 12,706.20-19,060.11-4,386.96

Finding the Fourth Proportional to 12,706.20, 19,060.11 and 4,386.96

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Solution

The fourth proportional to 12,706.20, 19,060.11 and 4,386.96 is: 6,580.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,706.20 : 19,060.11 = 4,386.96 : x
  2. Step 2: Convert to fraction form
    12,706.20/19,060.11 = 4,386.96/x
  3. Step 3: Cross multiply
    12,706.20x = 19,060.11 × 4,386.96
  4. Step 4: Simplify right side
    12,706.20x = 83,615,940.17
  5. Step 5: Solve for x
    x = 83,615,940.17/12,706.20
  6. Step 6: Final answer
    x = 6,580.72

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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.