Home / 21,033.24-29,018.62-13,483.74

Finding the Fourth Proportional to 21,033.24, 29,018.62 and 13,483.74

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Solution

The fourth proportional to 21,033.24, 29,018.62 and 13,483.74 is: 18,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.24 : 29,018.62 = 13,483.74 : x
  2. Step 2: Convert to fraction form
    21,033.24/29,018.62 = 13,483.74/x
  3. Step 3: Cross multiply
    21,033.24x = 29,018.62 × 13,483.74
  4. Step 4: Simplify right side
    21,033.24x = 391,279,527.24
  5. Step 5: Solve for x
    x = 391,279,527.24/21,033.24
  6. Step 6: Final answer
    x = 18,602.91

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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.