Home / 18,925.37-28,392.54-5,776.91

Finding the Fourth Proportional to 18,925.37, 28,392.54 and 5,776.91

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Solution

The fourth proportional to 18,925.37, 28,392.54 and 5,776.91 is: 8,666.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.37 : 28,392.54 = 5,776.91 : x
  2. Step 2: Convert to fraction form
    18,925.37/28,392.54 = 5,776.91/x
  3. Step 3: Cross multiply
    18,925.37x = 28,392.54 × 5,776.91
  4. Step 4: Simplify right side
    18,925.37x = 164,021,148.25
  5. Step 5: Solve for x
    x = 164,021,148.25/18,925.37
  6. Step 6: Final answer
    x = 8,666.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.