Home / 19,419.84-26,800.32-10,922.12

Finding the Fourth Proportional to 19,419.84, 26,800.32 and 10,922.12

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Solution

The fourth proportional to 19,419.84, 26,800.32 and 10,922.12 is: 15,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.84 : 26,800.32 = 10,922.12 : x
  2. Step 2: Convert to fraction form
    19,419.84/26,800.32 = 10,922.12/x
  3. Step 3: Cross multiply
    19,419.84x = 26,800.32 × 10,922.12
  4. Step 4: Simplify right side
    19,419.84x = 292,716,311.08
  5. Step 5: Solve for x
    x = 292,716,311.08/19,419.84
  6. Step 6: Final answer
    x = 15,073.05

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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.