Home / 18,341.09-25,310.81-10,787.74

Finding the Fourth Proportional to 18,341.09, 25,310.81 and 10,787.74

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Solution

The fourth proportional to 18,341.09, 25,310.81 and 10,787.74 is: 14,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.09 : 25,310.81 = 10,787.74 : x
  2. Step 2: Convert to fraction form
    18,341.09/25,310.81 = 10,787.74/x
  3. Step 3: Cross multiply
    18,341.09x = 25,310.81 × 10,787.74
  4. Step 4: Simplify right side
    18,341.09x = 273,046,256.98
  5. Step 5: Solve for x
    x = 273,046,256.98/18,341.09
  6. Step 6: Final answer
    x = 14,887.13

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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.