Home / 10,550.87-15,828.57-3,155.93

Finding the Fourth Proportional to 10,550.87, 15,828.57 and 3,155.93

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Solution

The fourth proportional to 10,550.87, 15,828.57 and 3,155.93 is: 4,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.87 : 15,828.57 = 3,155.93 : x
  2. Step 2: Convert to fraction form
    10,550.87/15,828.57 = 3,155.93/x
  3. Step 3: Cross multiply
    10,550.87x = 15,828.57 × 3,155.93
  4. Step 4: Simplify right side
    10,550.87x = 49,953,779.78
  5. Step 5: Solve for x
    x = 49,953,779.78/10,550.87
  6. Step 6: Final answer
    x = 4,734.57

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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.