Home / 18,039.48-24,899.73-10,489.20

Finding the Fourth Proportional to 18,039.48, 24,899.73 and 10,489.20

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Solution

The fourth proportional to 18,039.48, 24,899.73 and 10,489.20 is: 14,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.48 : 24,899.73 = 10,489.20 : x
  2. Step 2: Convert to fraction form
    18,039.48/24,899.73 = 10,489.20/x
  3. Step 3: Cross multiply
    18,039.48x = 24,899.73 × 10,489.20
  4. Step 4: Simplify right side
    18,039.48x = 261,178,247.92
  5. Step 5: Solve for x
    x = 261,178,247.92/18,039.48
  6. Step 6: Final answer
    x = 14,478.15

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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.