Home / 13,470.72-20,206.40-4,586.02

Finding the Fourth Proportional to 13,470.72, 20,206.40 and 4,586.02

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Solution

The fourth proportional to 13,470.72, 20,206.40 and 4,586.02 is: 6,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.72 : 20,206.40 = 4,586.02 : x
  2. Step 2: Convert to fraction form
    13,470.72/20,206.40 = 4,586.02/x
  3. Step 3: Cross multiply
    13,470.72x = 20,206.40 × 4,586.02
  4. Step 4: Simplify right side
    13,470.72x = 92,666,954.53
  5. Step 5: Solve for x
    x = 92,666,954.53/13,470.72
  6. Step 6: Final answer
    x = 6,879.14

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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.