Home / 10,205.84-15,316.97-5,276.93

Finding the Fourth Proportional to 10,205.84, 15,316.97 and 5,276.93

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Solution

The fourth proportional to 10,205.84, 15,316.97 and 5,276.93 is: 7,919.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.84 : 15,316.97 = 5,276.93 : x
  2. Step 2: Convert to fraction form
    10,205.84/15,316.97 = 5,276.93/x
  3. Step 3: Cross multiply
    10,205.84x = 15,316.97 × 5,276.93
  4. Step 4: Simplify right side
    10,205.84x = 80,826,475.53
  5. Step 5: Solve for x
    x = 80,826,475.53/10,205.84
  6. Step 6: Final answer
    x = 7,919.63

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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.