Home / 18,856.12-26,022.58-10,900.28

Finding the Fourth Proportional to 18,856.12, 26,022.58 and 10,900.28

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Solution

The fourth proportional to 18,856.12, 26,022.58 and 10,900.28 is: 15,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.12 : 26,022.58 = 10,900.28 : x
  2. Step 2: Convert to fraction form
    18,856.12/26,022.58 = 10,900.28/x
  3. Step 3: Cross multiply
    18,856.12x = 26,022.58 × 10,900.28
  4. Step 4: Simplify right side
    18,856.12x = 283,653,408.32
  5. Step 5: Solve for x
    x = 283,653,408.32/18,856.12
  6. Step 6: Final answer
    x = 15,043.04

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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.