Home / 18,858.47-26,029.37-10,899.55

Finding the Fourth Proportional to 18,858.47, 26,029.37 and 10,899.55

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Solution

The fourth proportional to 18,858.47, 26,029.37 and 10,899.55 is: 15,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,858.47 : 26,029.37 = 10,899.55 : x
  2. Step 2: Convert to fraction form
    18,858.47/26,029.37 = 10,899.55/x
  3. Step 3: Cross multiply
    18,858.47x = 26,029.37 × 10,899.55
  4. Step 4: Simplify right side
    18,858.47x = 283,708,235.14
  5. Step 5: Solve for x
    x = 283,708,235.14/18,858.47
  6. Step 6: Final answer
    x = 15,044.07

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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.