Home / 10,190.76-15,288.44-4,642.62

Finding the Fourth Proportional to 10,190.76, 15,288.44 and 4,642.62

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Solution

The fourth proportional to 10,190.76, 15,288.44 and 4,642.62 is: 6,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.76 : 15,288.44 = 4,642.62 : x
  2. Step 2: Convert to fraction form
    10,190.76/15,288.44 = 4,642.62/x
  3. Step 3: Cross multiply
    10,190.76x = 15,288.44 × 4,642.62
  4. Step 4: Simplify right side
    10,190.76x = 70,978,417.31
  5. Step 5: Solve for x
    x = 70,978,417.31/10,190.76
  6. Step 6: Final answer
    x = 6,964.98

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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.