Home / 16,887.59-23,304.21-9,719.81

Finding the Fourth Proportional to 16,887.59, 23,304.21 and 9,719.81

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Solution

The fourth proportional to 16,887.59, 23,304.21 and 9,719.81 is: 13,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.59 : 23,304.21 = 9,719.81 : x
  2. Step 2: Convert to fraction form
    16,887.59/23,304.21 = 9,719.81/x
  3. Step 3: Cross multiply
    16,887.59x = 23,304.21 × 9,719.81
  4. Step 4: Simplify right side
    16,887.59x = 226,512,376.88
  5. Step 5: Solve for x
    x = 226,512,376.88/16,887.59
  6. Step 6: Final answer
    x = 13,412.95

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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.