Home / 10,312.91-15,463.55-3,291.27

Finding the Fourth Proportional to 10,312.91, 15,463.55 and 3,291.27

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Solution

The fourth proportional to 10,312.91, 15,463.55 and 3,291.27 is: 4,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.91 : 15,463.55 = 3,291.27 : x
  2. Step 2: Convert to fraction form
    10,312.91/15,463.55 = 3,291.27/x
  3. Step 3: Cross multiply
    10,312.91x = 15,463.55 × 3,291.27
  4. Step 4: Simplify right side
    10,312.91x = 50,894,668.45
  5. Step 5: Solve for x
    x = 50,894,668.45/10,312.91
  6. Step 6: Final answer
    x = 4,935.04

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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.