Home / 10,345.57-15,520.94-2,950.10

Finding the Fourth Proportional to 10,345.57, 15,520.94 and 2,950.10

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Solution

The fourth proportional to 10,345.57, 15,520.94 and 2,950.10 is: 4,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.57 : 15,520.94 = 2,950.10 : x
  2. Step 2: Convert to fraction form
    10,345.57/15,520.94 = 2,950.10/x
  3. Step 3: Cross multiply
    10,345.57x = 15,520.94 × 2,950.10
  4. Step 4: Simplify right side
    10,345.57x = 45,788,266.65
  5. Step 5: Solve for x
    x = 45,788,266.65/10,345.57
  6. Step 6: Final answer
    x = 4,425.88

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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.