Home / 10,515.39-14,501.76-8,273.24

Finding the Fourth Proportional to 10,515.39, 14,501.76 and 8,273.24

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Solution

The fourth proportional to 10,515.39, 14,501.76 and 8,273.24 is: 11,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515.39 : 14,501.76 = 8,273.24 : x
  2. Step 2: Convert to fraction form
    10,515.39/14,501.76 = 8,273.24/x
  3. Step 3: Cross multiply
    10,515.39x = 14,501.76 × 8,273.24
  4. Step 4: Simplify right side
    10,515.39x = 119,976,468.39
  5. Step 5: Solve for x
    x = 119,976,468.39/10,515.39
  6. Step 6: Final answer
    x = 11,409.61

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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.