Home / 18,659.19-25,741.36-12,607.48

Finding the Fourth Proportional to 18,659.19, 25,741.36 and 12,607.48

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Solution

The fourth proportional to 18,659.19, 25,741.36 and 12,607.48 is: 17,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.19 : 25,741.36 = 12,607.48 : x
  2. Step 2: Convert to fraction form
    18,659.19/25,741.36 = 12,607.48/x
  3. Step 3: Cross multiply
    18,659.19x = 25,741.36 × 12,607.48
  4. Step 4: Simplify right side
    18,659.19x = 324,533,585.50
  5. Step 5: Solve for x
    x = 324,533,585.50/18,659.19
  6. Step 6: Final answer
    x = 17,392.69

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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.