Home / 21,033.15-29,025.36-11,473.11

Finding the Fourth Proportional to 21,033.15, 29,025.36 and 11,473.11

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Solution

The fourth proportional to 21,033.15, 29,025.36 and 11,473.11 is: 15,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.15 : 29,025.36 = 11,473.11 : x
  2. Step 2: Convert to fraction form
    21,033.15/29,025.36 = 11,473.11/x
  3. Step 3: Cross multiply
    21,033.15x = 29,025.36 × 11,473.11
  4. Step 4: Simplify right side
    21,033.15x = 333,011,148.07
  5. Step 5: Solve for x
    x = 333,011,148.07/21,033.15
  6. Step 6: Final answer
    x = 15,832.68

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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.