Home / 18,857.43-26,020.37-10,898.12

Finding the Fourth Proportional to 18,857.43, 26,020.37 and 10,898.12

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Solution

The fourth proportional to 18,857.43, 26,020.37 and 10,898.12 is: 15,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.43 : 26,020.37 = 10,898.12 : x
  2. Step 2: Convert to fraction form
    18,857.43/26,020.37 = 10,898.12/x
  3. Step 3: Cross multiply
    18,857.43x = 26,020.37 × 10,898.12
  4. Step 4: Simplify right side
    18,857.43x = 283,573,166.13
  5. Step 5: Solve for x
    x = 283,573,166.13/18,857.43
  6. Step 6: Final answer
    x = 15,037.74

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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.