Home / 10,453.68-15,680.25-2,556.18

Finding the Fourth Proportional to 10,453.68, 15,680.25 and 2,556.18

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Solution

The fourth proportional to 10,453.68, 15,680.25 and 2,556.18 is: 3,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453.68 : 15,680.25 = 2,556.18 : x
  2. Step 2: Convert to fraction form
    10,453.68/15,680.25 = 2,556.18/x
  3. Step 3: Cross multiply
    10,453.68x = 15,680.25 × 2,556.18
  4. Step 4: Simplify right side
    10,453.68x = 40,081,541.45
  5. Step 5: Solve for x
    x = 40,081,541.45/10,453.68
  6. Step 6: Final answer
    x = 3,834.20

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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.