Home / 21,411.19-32,121.66-11,550.25

Finding the Fourth Proportional to 21,411.19, 32,121.66 and 11,550.25

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Solution

The fourth proportional to 21,411.19, 32,121.66 and 11,550.25 is: 17,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411.19 : 32,121.66 = 11,550.25 : x
  2. Step 2: Convert to fraction form
    21,411.19/32,121.66 = 11,550.25/x
  3. Step 3: Cross multiply
    21,411.19x = 32,121.66 × 11,550.25
  4. Step 4: Simplify right side
    21,411.19x = 371,013,203.42
  5. Step 5: Solve for x
    x = 371,013,203.42/21,411.19
  6. Step 6: Final answer
    x = 17,328.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.