Home / 10,345.44-15,518.40-2,950.56

Finding the Fourth Proportional to 10,345.44, 15,518.40 and 2,950.56

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Solution

The fourth proportional to 10,345.44, 15,518.40 and 2,950.56 is: 4,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.44 : 15,518.40 = 2,950.56 : x
  2. Step 2: Convert to fraction form
    10,345.44/15,518.40 = 2,950.56/x
  3. Step 3: Cross multiply
    10,345.44x = 15,518.40 × 2,950.56
  4. Step 4: Simplify right side
    10,345.44x = 45,787,970.30
  5. Step 5: Solve for x
    x = 45,787,970.30/10,345.44
  6. Step 6: Final answer
    x = 4,425.91

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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.