Home / 17,891.36-24,697.02-13,428.05

Finding the Fourth Proportional to 17,891.36, 24,697.02 and 13,428.05

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Solution

The fourth proportional to 17,891.36, 24,697.02 and 13,428.05 is: 18,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.36 : 24,697.02 = 13,428.05 : x
  2. Step 2: Convert to fraction form
    17,891.36/24,697.02 = 13,428.05/x
  3. Step 3: Cross multiply
    17,891.36x = 24,697.02 × 13,428.05
  4. Step 4: Simplify right side
    17,891.36x = 331,632,819.41
  5. Step 5: Solve for x
    x = 331,632,819.41/17,891.36
  6. Step 6: Final answer
    x = 18,535.92

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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.