Home / 10,154.58-15,232.95-2,759.15

Finding the Fourth Proportional to 10,154.58, 15,232.95 and 2,759.15

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Solution

The fourth proportional to 10,154.58, 15,232.95 and 2,759.15 is: 4,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.58 : 15,232.95 = 2,759.15 : x
  2. Step 2: Convert to fraction form
    10,154.58/15,232.95 = 2,759.15/x
  3. Step 3: Cross multiply
    10,154.58x = 15,232.95 × 2,759.15
  4. Step 4: Simplify right side
    10,154.58x = 42,029,917.83
  5. Step 5: Solve for x
    x = 42,029,917.83/10,154.58
  6. Step 6: Final answer
    x = 4,139.01

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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.