Home / 10,154.99-15,232.79-2,759.60

Finding the Fourth Proportional to 10,154.99, 15,232.79 and 2,759.60

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Solution

The fourth proportional to 10,154.99, 15,232.79 and 2,759.60 is: 4,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.99 : 15,232.79 = 2,759.60 : x
  2. Step 2: Convert to fraction form
    10,154.99/15,232.79 = 2,759.60/x
  3. Step 3: Cross multiply
    10,154.99x = 15,232.79 × 2,759.60
  4. Step 4: Simplify right side
    10,154.99x = 42,036,471.31
  5. Step 5: Solve for x
    x = 42,036,471.31/10,154.99
  6. Step 6: Final answer
    x = 4,139.49

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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.