Home / 18,721.32-25,835.48-10,223.52

Finding the Fourth Proportional to 18,721.32, 25,835.48 and 10,223.52

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Solution

The fourth proportional to 18,721.32, 25,835.48 and 10,223.52 is: 14,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.32 : 25,835.48 = 10,223.52 : x
  2. Step 2: Convert to fraction form
    18,721.32/25,835.48 = 10,223.52/x
  3. Step 3: Cross multiply
    18,721.32x = 25,835.48 × 10,223.52
  4. Step 4: Simplify right side
    18,721.32x = 264,129,546.49
  5. Step 5: Solve for x
    x = 264,129,546.49/18,721.32
  6. Step 6: Final answer
    x = 14,108.49

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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.