Home / 18,688.16-25,793.57-18,095.65

Finding the Fourth Proportional to 18,688.16, 25,793.57 and 18,095.65

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Solution

The fourth proportional to 18,688.16, 25,793.57 and 18,095.65 is: 24,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.16 : 25,793.57 = 18,095.65 : x
  2. Step 2: Convert to fraction form
    18,688.16/25,793.57 = 18,095.65/x
  3. Step 3: Cross multiply
    18,688.16x = 25,793.57 × 18,095.65
  4. Step 4: Simplify right side
    18,688.16x = 466,751,260.01
  5. Step 5: Solve for x
    x = 466,751,260.01/18,688.16
  6. Step 6: Final answer
    x = 24,975.77

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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.