Home / 10,357.87-15,528.37-4,814.70

Finding the Fourth Proportional to 10,357.87, 15,528.37 and 4,814.70

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Solution

The fourth proportional to 10,357.87, 15,528.37 and 4,814.70 is: 7,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.87 : 15,528.37 = 4,814.70 : x
  2. Step 2: Convert to fraction form
    10,357.87/15,528.37 = 4,814.70/x
  3. Step 3: Cross multiply
    10,357.87x = 15,528.37 × 4,814.70
  4. Step 4: Simplify right side
    10,357.87x = 74,764,469.82
  5. Step 5: Solve for x
    x = 74,764,469.82/10,357.87
  6. Step 6: Final answer
    x = 7,218.13

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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.