Home / 18,585.83-25,648.45-10,087.95

Finding the Fourth Proportional to 18,585.83, 25,648.45 and 10,087.95

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Solution

The fourth proportional to 18,585.83, 25,648.45 and 10,087.95 is: 13,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.83 : 25,648.45 = 10,087.95 : x
  2. Step 2: Convert to fraction form
    18,585.83/25,648.45 = 10,087.95/x
  3. Step 3: Cross multiply
    18,585.83x = 25,648.45 × 10,087.95
  4. Step 4: Simplify right side
    18,585.83x = 258,740,152.94
  5. Step 5: Solve for x
    x = 258,740,152.94/18,585.83
  6. Step 6: Final answer
    x = 13,921.37

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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.