Home / 12,526.99-18,791.75-4,631.61

Finding the Fourth Proportional to 12,526.99, 18,791.75 and 4,631.61

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Solution

The fourth proportional to 12,526.99, 18,791.75 and 4,631.61 is: 6,947.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.99 : 18,791.75 = 4,631.61 : x
  2. Step 2: Convert to fraction form
    12,526.99/18,791.75 = 4,631.61/x
  3. Step 3: Cross multiply
    12,526.99x = 18,791.75 × 4,631.61
  4. Step 4: Simplify right side
    12,526.99x = 87,036,113.21
  5. Step 5: Solve for x
    x = 87,036,113.21/12,526.99
  6. Step 6: Final answer
    x = 6,947.89

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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.