Home / 18,262.34-25,201.98-9,878.84

Finding the Fourth Proportional to 18,262.34, 25,201.98 and 9,878.84

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Solution

The fourth proportional to 18,262.34, 25,201.98 and 9,878.84 is: 13,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,262.34 : 25,201.98 = 9,878.84 : x
  2. Step 2: Convert to fraction form
    18,262.34/25,201.98 = 9,878.84/x
  3. Step 3: Cross multiply
    18,262.34x = 25,201.98 × 9,878.84
  4. Step 4: Simplify right side
    18,262.34x = 248,966,391.11
  5. Step 5: Solve for x
    x = 248,966,391.11/18,262.34
  6. Step 6: Final answer
    x = 13,632.77

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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.