Home / 12,521.48-18,791.73-4,631.46

Finding the Fourth Proportional to 12,521.48, 18,791.73 and 4,631.46

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Solution

The fourth proportional to 12,521.48, 18,791.73 and 4,631.46 is: 6,950.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.48 : 18,791.73 = 4,631.46 : x
  2. Step 2: Convert to fraction form
    12,521.48/18,791.73 = 4,631.46/x
  3. Step 3: Cross multiply
    12,521.48x = 18,791.73 × 4,631.46
  4. Step 4: Simplify right side
    12,521.48x = 87,033,051.87
  5. Step 5: Solve for x
    x = 87,033,051.87/12,521.48
  6. Step 6: Final answer
    x = 6,950.70

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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.