Home / 12,650.32-17,458.44-7,346.80

Finding the Fourth Proportional to 12,650.32, 17,458.44 and 7,346.80

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Solution

The fourth proportional to 12,650.32, 17,458.44 and 7,346.80 is: 10,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.32 : 17,458.44 = 7,346.80 : x
  2. Step 2: Convert to fraction form
    12,650.32/17,458.44 = 7,346.80/x
  3. Step 3: Cross multiply
    12,650.32x = 17,458.44 × 7,346.80
  4. Step 4: Simplify right side
    12,650.32x = 128,263,666.99
  5. Step 5: Solve for x
    x = 128,263,666.99/12,650.32
  6. Step 6: Final answer
    x = 10,139.16

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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.