Home / 16,989.56-23,457.02-13,003.56

Finding the Fourth Proportional to 16,989.56, 23,457.02 and 13,003.56

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Solution

The fourth proportional to 16,989.56, 23,457.02 and 13,003.56 is: 17,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.56 : 23,457.02 = 13,003.56 : x
  2. Step 2: Convert to fraction form
    16,989.56/23,457.02 = 13,003.56/x
  3. Step 3: Cross multiply
    16,989.56x = 23,457.02 × 13,003.56
  4. Step 4: Simplify right side
    16,989.56x = 305,024,766.99
  5. Step 5: Solve for x
    x = 305,024,766.99/16,989.56
  6. Step 6: Final answer
    x = 17,953.66

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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.