Home / 12,430.32-18,646.44-3,546.28

Finding the Fourth Proportional to 12,430.32, 18,646.44 and 3,546.28

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Solution

The fourth proportional to 12,430.32, 18,646.44 and 3,546.28 is: 5,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.32 : 18,646.44 = 3,546.28 : x
  2. Step 2: Convert to fraction form
    12,430.32/18,646.44 = 3,546.28/x
  3. Step 3: Cross multiply
    12,430.32x = 18,646.44 × 3,546.28
  4. Step 4: Simplify right side
    12,430.32x = 66,125,497.24
  5. Step 5: Solve for x
    x = 66,125,497.24/12,430.32
  6. Step 6: Final answer
    x = 5,319.69

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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.