Home / 13,950.81-19,251.18-8,285.27

Finding the Fourth Proportional to 13,950.81, 19,251.18 and 8,285.27

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Solution

The fourth proportional to 13,950.81, 19,251.18 and 8,285.27 is: 11,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.81 : 19,251.18 = 8,285.27 : x
  2. Step 2: Convert to fraction form
    13,950.81/19,251.18 = 8,285.27/x
  3. Step 3: Cross multiply
    13,950.81x = 19,251.18 × 8,285.27
  4. Step 4: Simplify right side
    13,950.81x = 159,501,127.86
  5. Step 5: Solve for x
    x = 159,501,127.86/13,950.81
  6. Step 6: Final answer
    x = 11,433.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.