Home / 18,865.42-26,032.76-10,908.16

Finding the Fourth Proportional to 18,865.42, 26,032.76 and 10,908.16

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Solution

The fourth proportional to 18,865.42, 26,032.76 and 10,908.16 is: 15,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.42 : 26,032.76 = 10,908.16 : x
  2. Step 2: Convert to fraction form
    18,865.42/26,032.76 = 10,908.16/x
  3. Step 3: Cross multiply
    18,865.42x = 26,032.76 × 10,908.16
  4. Step 4: Simplify right side
    18,865.42x = 283,969,419.01
  5. Step 5: Solve for x
    x = 283,969,419.01/18,865.42
  6. Step 6: Final answer
    x = 15,052.38

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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.