Home / 10,285.99-15,425.79-3,711.32

Finding the Fourth Proportional to 10,285.99, 15,425.79 and 3,711.32

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Solution

The fourth proportional to 10,285.99, 15,425.79 and 3,711.32 is: 5,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.99 : 15,425.79 = 3,711.32 : x
  2. Step 2: Convert to fraction form
    10,285.99/15,425.79 = 3,711.32/x
  3. Step 3: Cross multiply
    10,285.99x = 15,425.79 × 3,711.32
  4. Step 4: Simplify right side
    10,285.99x = 57,249,947.26
  5. Step 5: Solve for x
    x = 57,249,947.26/10,285.99
  6. Step 6: Final answer
    x = 5,565.82

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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.