Home / 18,329.96-25,292.12-10,777.86

Finding the Fourth Proportional to 18,329.96, 25,292.12 and 10,777.86

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Solution

The fourth proportional to 18,329.96, 25,292.12 and 10,777.86 is: 14,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.96 : 25,292.12 = 10,777.86 : x
  2. Step 2: Convert to fraction form
    18,329.96/25,292.12 = 10,777.86/x
  3. Step 3: Cross multiply
    18,329.96x = 25,292.12 × 10,777.86
  4. Step 4: Simplify right side
    18,329.96x = 272,594,874.57
  5. Step 5: Solve for x
    x = 272,594,874.57/18,329.96
  6. Step 6: Final answer
    x = 14,871.55

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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.