Home / 18,135.40-25,026.86-10,177.60

Finding the Fourth Proportional to 18,135.40, 25,026.86 and 10,177.60

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Solution

The fourth proportional to 18,135.40, 25,026.86 and 10,177.60 is: 14,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.40 : 25,026.86 = 10,177.60 : x
  2. Step 2: Convert to fraction form
    18,135.40/25,026.86 = 10,177.60/x
  3. Step 3: Cross multiply
    18,135.40x = 25,026.86 × 10,177.60
  4. Step 4: Simplify right side
    18,135.40x = 254,713,370.34
  5. Step 5: Solve for x
    x = 254,713,370.34/18,135.40
  6. Step 6: Final answer
    x = 14,045.09

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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.