Home / 10,339.87-14,273.07-7,330.72

Finding the Fourth Proportional to 10,339.87, 14,273.07 and 7,330.72

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Solution

The fourth proportional to 10,339.87, 14,273.07 and 7,330.72 is: 10,119.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.87 : 14,273.07 = 7,330.72 : x
  2. Step 2: Convert to fraction form
    10,339.87/14,273.07 = 7,330.72/x
  3. Step 3: Cross multiply
    10,339.87x = 14,273.07 × 7,330.72
  4. Step 4: Simplify right side
    10,339.87x = 104,631,879.71
  5. Step 5: Solve for x
    x = 104,631,879.71/10,339.87
  6. Step 6: Final answer
    x = 10,119.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.