Home / 10,250.77-15,376.16-2,855.42

Finding the Fourth Proportional to 10,250.77, 15,376.16 and 2,855.42

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Solution

The fourth proportional to 10,250.77, 15,376.16 and 2,855.42 is: 4,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.77 : 15,376.16 = 2,855.42 : x
  2. Step 2: Convert to fraction form
    10,250.77/15,376.16 = 2,855.42/x
  3. Step 3: Cross multiply
    10,250.77x = 15,376.16 × 2,855.42
  4. Step 4: Simplify right side
    10,250.77x = 43,905,394.79
  5. Step 5: Solve for x
    x = 43,905,394.79/10,250.77
  6. Step 6: Final answer
    x = 4,283.13

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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.