Home / 10,349.23-15,511.70-4,790.83

Finding the Fourth Proportional to 10,349.23, 15,511.70 and 4,790.83

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Solution

The fourth proportional to 10,349.23, 15,511.70 and 4,790.83 is: 7,180.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.23 : 15,511.70 = 4,790.83 : x
  2. Step 2: Convert to fraction form
    10,349.23/15,511.70 = 4,790.83/x
  3. Step 3: Cross multiply
    10,349.23x = 15,511.70 × 4,790.83
  4. Step 4: Simplify right side
    10,349.23x = 74,313,917.71
  5. Step 5: Solve for x
    x = 74,313,917.71/10,349.23
  6. Step 6: Final answer
    x = 7,180.62

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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.