Home / 13,648.79-20,430.81-7,393.27

Finding the Fourth Proportional to 13,648.79, 20,430.81 and 7,393.27

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Solution

The fourth proportional to 13,648.79, 20,430.81 and 7,393.27 is: 11,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.79 : 20,430.81 = 7,393.27 : x
  2. Step 2: Convert to fraction form
    13,648.79/20,430.81 = 7,393.27/x
  3. Step 3: Cross multiply
    13,648.79x = 20,430.81 × 7,393.27
  4. Step 4: Simplify right side
    13,648.79x = 151,050,494.65
  5. Step 5: Solve for x
    x = 151,050,494.65/13,648.79
  6. Step 6: Final answer
    x = 11,066.95

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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.