Home / 18,856.14-26,019.48-10,900.92

Finding the Fourth Proportional to 18,856.14, 26,019.48 and 10,900.92

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Solution

The fourth proportional to 18,856.14, 26,019.48 and 10,900.92 is: 15,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.14 : 26,019.48 = 10,900.92 : x
  2. Step 2: Convert to fraction form
    18,856.14/26,019.48 = 10,900.92/x
  3. Step 3: Cross multiply
    18,856.14x = 26,019.48 × 10,900.92
  4. Step 4: Simplify right side
    18,856.14x = 283,636,269.92
  5. Step 5: Solve for x
    x = 283,636,269.92/18,856.14
  6. Step 6: Final answer
    x = 15,042.12

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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.