Home / 13,712.46-20,570.40-4,349.94

Finding the Fourth Proportional to 13,712.46, 20,570.40 and 4,349.94

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Solution

The fourth proportional to 13,712.46, 20,570.40 and 4,349.94 is: 6,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.46 : 20,570.40 = 4,349.94 : x
  2. Step 2: Convert to fraction form
    13,712.46/20,570.40 = 4,349.94/x
  3. Step 3: Cross multiply
    13,712.46x = 20,570.40 × 4,349.94
  4. Step 4: Simplify right side
    13,712.46x = 89,480,005.78
  5. Step 5: Solve for x
    x = 89,480,005.78/13,712.46
  6. Step 6: Final answer
    x = 6,525.45

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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.