Home / 10,345.63-14,276.97-5,629.94

Finding the Fourth Proportional to 10,345.63, 14,276.97 and 5,629.94

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Solution

The fourth proportional to 10,345.63, 14,276.97 and 5,629.94 is: 7,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.63 : 14,276.97 = 5,629.94 : x
  2. Step 2: Convert to fraction form
    10,345.63/14,276.97 = 5,629.94/x
  3. Step 3: Cross multiply
    10,345.63x = 14,276.97 × 5,629.94
  4. Step 4: Simplify right side
    10,345.63x = 80,378,456.33
  5. Step 5: Solve for x
    x = 80,378,456.33/10,345.63
  6. Step 6: Final answer
    x = 7,769.32

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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.