Home / 14,817.24-20,419.48-10,618.20

Finding the Fourth Proportional to 14,817.24, 20,419.48 and 10,618.20

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Solution

The fourth proportional to 14,817.24, 20,419.48 and 10,618.20 is: 14,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.24 : 20,419.48 = 10,618.20 : x
  2. Step 2: Convert to fraction form
    14,817.24/20,419.48 = 10,618.20/x
  3. Step 3: Cross multiply
    14,817.24x = 20,419.48 × 10,618.20
  4. Step 4: Simplify right side
    14,817.24x = 216,818,122.54
  5. Step 5: Solve for x
    x = 216,818,122.54/14,817.24
  6. Step 6: Final answer
    x = 14,632.83

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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.