Home / 13,066.72-19,601.70-4,304.68

Finding the Fourth Proportional to 13,066.72, 19,601.70 and 4,304.68

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Solution

The fourth proportional to 13,066.72, 19,601.70 and 4,304.68 is: 6,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.72 : 19,601.70 = 4,304.68 : x
  2. Step 2: Convert to fraction form
    13,066.72/19,601.70 = 4,304.68/x
  3. Step 3: Cross multiply
    13,066.72x = 19,601.70 × 4,304.68
  4. Step 4: Simplify right side
    13,066.72x = 84,379,045.96
  5. Step 5: Solve for x
    x = 84,379,045.96/13,066.72
  6. Step 6: Final answer
    x = 6,457.55

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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.