Home / 13,743.34-20,607.31-4,381.66

Finding the Fourth Proportional to 13,743.34, 20,607.31 and 4,381.66

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Solution

The fourth proportional to 13,743.34, 20,607.31 and 4,381.66 is: 6,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.34 : 20,607.31 = 4,381.66 : x
  2. Step 2: Convert to fraction form
    13,743.34/20,607.31 = 4,381.66/x
  3. Step 3: Cross multiply
    13,743.34x = 20,607.31 × 4,381.66
  4. Step 4: Simplify right side
    13,743.34x = 90,294,225.93
  5. Step 5: Solve for x
    x = 90,294,225.93/13,743.34
  6. Step 6: Final answer
    x = 6,570.04

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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.