Home / 18,821.54-25,973.60-10,437.86

Finding the Fourth Proportional to 18,821.54, 25,973.60 and 10,437.86

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Solution

The fourth proportional to 18,821.54, 25,973.60 and 10,437.86 is: 14,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.54 : 25,973.60 = 10,437.86 : x
  2. Step 2: Convert to fraction form
    18,821.54/25,973.60 = 10,437.86/x
  3. Step 3: Cross multiply
    18,821.54x = 25,973.60 × 10,437.86
  4. Step 4: Simplify right side
    18,821.54x = 271,108,800.50
  5. Step 5: Solve for x
    x = 271,108,800.50/18,821.54
  6. Step 6: Final answer
    x = 14,404.18

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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.