Home / 18,264.36-25,204.86-9,880.86

Finding the Fourth Proportional to 18,264.36, 25,204.86 and 9,880.86

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Solution

The fourth proportional to 18,264.36, 25,204.86 and 9,880.86 is: 13,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.36 : 25,204.86 = 9,880.86 : x
  2. Step 2: Convert to fraction form
    18,264.36/25,204.86 = 9,880.86/x
  3. Step 3: Cross multiply
    18,264.36x = 25,204.86 × 9,880.86
  4. Step 4: Simplify right side
    18,264.36x = 249,045,692.98
  5. Step 5: Solve for x
    x = 249,045,692.98/18,264.36
  6. Step 6: Final answer
    x = 13,635.61

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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.