Home / 18,659.36-25,749.88-10,275.84

Finding the Fourth Proportional to 18,659.36, 25,749.88 and 10,275.84

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Solution

The fourth proportional to 18,659.36, 25,749.88 and 10,275.84 is: 14,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.36 : 25,749.88 = 10,275.84 : x
  2. Step 2: Convert to fraction form
    18,659.36/25,749.88 = 10,275.84/x
  3. Step 3: Cross multiply
    18,659.36x = 25,749.88 × 10,275.84
  4. Step 4: Simplify right side
    18,659.36x = 264,601,646.90
  5. Step 5: Solve for x
    x = 264,601,646.90/18,659.36
  6. Step 6: Final answer
    x = 14,180.64

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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.