Home / 18,853.11-26,015.34-10,897.89

Finding the Fourth Proportional to 18,853.11, 26,015.34 and 10,897.89

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Solution

The fourth proportional to 18,853.11, 26,015.34 and 10,897.89 is: 15,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.11 : 26,015.34 = 10,897.89 : x
  2. Step 2: Convert to fraction form
    18,853.11/26,015.34 = 10,897.89/x
  3. Step 3: Cross multiply
    18,853.11x = 26,015.34 × 10,897.89
  4. Step 4: Simplify right side
    18,853.11x = 283,512,313.63
  5. Step 5: Solve for x
    x = 283,512,313.63/18,853.11
  6. Step 6: Final answer
    x = 15,037.96

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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.