Home / 18,677.40-25,774.47-10,179.60

Finding the Fourth Proportional to 18,677.40, 25,774.47 and 10,179.60

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Solution

The fourth proportional to 18,677.40, 25,774.47 and 10,179.60 is: 14,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677.40 : 25,774.47 = 10,179.60 : x
  2. Step 2: Convert to fraction form
    18,677.40/25,774.47 = 10,179.60/x
  3. Step 3: Cross multiply
    18,677.40x = 25,774.47 × 10,179.60
  4. Step 4: Simplify right side
    18,677.40x = 262,373,698.16
  5. Step 5: Solve for x
    x = 262,373,698.16/18,677.40
  6. Step 6: Final answer
    x = 14,047.66

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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.