Home / 12,238.13-16,888.61-7,270.13

Finding the Fourth Proportional to 12,238.13, 16,888.61 and 7,270.13

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Solution

The fourth proportional to 12,238.13, 16,888.61 and 7,270.13 is: 10,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.13 : 16,888.61 = 7,270.13 : x
  2. Step 2: Convert to fraction form
    12,238.13/16,888.61 = 7,270.13/x
  3. Step 3: Cross multiply
    12,238.13x = 16,888.61 × 7,270.13
  4. Step 4: Simplify right side
    12,238.13x = 122,782,323.95
  5. Step 5: Solve for x
    x = 122,782,323.95/12,238.13
  6. Step 6: Final answer
    x = 10,032.77

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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.