Home / 15,238.29-21,029.67-8,523.93

Finding the Fourth Proportional to 15,238.29, 21,029.67 and 8,523.93

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Solution

The fourth proportional to 15,238.29, 21,029.67 and 8,523.93 is: 11,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.29 : 21,029.67 = 8,523.93 : x
  2. Step 2: Convert to fraction form
    15,238.29/21,029.67 = 8,523.93/x
  3. Step 3: Cross multiply
    15,238.29x = 21,029.67 × 8,523.93
  4. Step 4: Simplify right side
    15,238.29x = 179,255,435.00
  5. Step 5: Solve for x
    x = 179,255,435.00/15,238.29
  6. Step 6: Final answer
    x = 11,763.49

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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.