Home / 18,846.51-26,005.15-10,889.79

Finding the Fourth Proportional to 18,846.51, 26,005.15 and 10,889.79

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Solution

The fourth proportional to 18,846.51, 26,005.15 and 10,889.79 is: 15,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.51 : 26,005.15 = 10,889.79 : x
  2. Step 2: Convert to fraction form
    18,846.51/26,005.15 = 10,889.79/x
  3. Step 3: Cross multiply
    18,846.51x = 26,005.15 × 10,889.79
  4. Step 4: Simplify right side
    18,846.51x = 283,190,622.42
  5. Step 5: Solve for x
    x = 283,190,622.42/18,846.51
  6. Step 6: Final answer
    x = 15,026.16

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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.