Home / 10,787.09-16,180.63-3,392.19

Finding the Fourth Proportional to 10,787.09, 16,180.63 and 3,392.19

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Solution

The fourth proportional to 10,787.09, 16,180.63 and 3,392.19 is: 5,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.09 : 16,180.63 = 3,392.19 : x
  2. Step 2: Convert to fraction form
    10,787.09/16,180.63 = 3,392.19/x
  3. Step 3: Cross multiply
    10,787.09x = 16,180.63 × 3,392.19
  4. Step 4: Simplify right side
    10,787.09x = 54,887,762.80
  5. Step 5: Solve for x
    x = 54,887,762.80/10,787.09
  6. Step 6: Final answer
    x = 5,088.29

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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.