Home / 10,310.40-15,463.88-2,913.17

Finding the Fourth Proportional to 10,310.40, 15,463.88 and 2,913.17

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Solution

The fourth proportional to 10,310.40, 15,463.88 and 2,913.17 is: 4,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,310.40 : 15,463.88 = 2,913.17 : x
  2. Step 2: Convert to fraction form
    10,310.40/15,463.88 = 2,913.17/x
  3. Step 3: Cross multiply
    10,310.40x = 15,463.88 × 2,913.17
  4. Step 4: Simplify right side
    10,310.40x = 45,048,911.30
  5. Step 5: Solve for x
    x = 45,048,911.30/10,310.40
  6. Step 6: Final answer
    x = 4,369.27

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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.