Home / 18,953.23-28,435.32-5,807.54

Finding the Fourth Proportional to 18,953.23, 28,435.32 and 5,807.54

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Solution

The fourth proportional to 18,953.23, 28,435.32 and 5,807.54 is: 8,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.23 : 28,435.32 = 5,807.54 : x
  2. Step 2: Convert to fraction form
    18,953.23/28,435.32 = 5,807.54/x
  3. Step 3: Cross multiply
    18,953.23x = 28,435.32 × 5,807.54
  4. Step 4: Simplify right side
    18,953.23x = 165,139,224.93
  5. Step 5: Solve for x
    x = 165,139,224.93/18,953.23
  6. Step 6: Final answer
    x = 8,712.98

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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.