Home / 18,538.29-25,582.59-10,580.65

Finding the Fourth Proportional to 18,538.29, 25,582.59 and 10,580.65

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Solution

The fourth proportional to 18,538.29, 25,582.59 and 10,580.65 is: 14,601.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.29 : 25,582.59 = 10,580.65 : x
  2. Step 2: Convert to fraction form
    18,538.29/25,582.59 = 10,580.65/x
  3. Step 3: Cross multiply
    18,538.29x = 25,582.59 × 10,580.65
  4. Step 4: Simplify right side
    18,538.29x = 270,680,366.93
  5. Step 5: Solve for x
    x = 270,680,366.93/18,538.29
  6. Step 6: Final answer
    x = 14,601.15

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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.