Home / 16,794.16-23,178.54-10,421.89

Finding the Fourth Proportional to 16,794.16, 23,178.54 and 10,421.89

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Solution

The fourth proportional to 16,794.16, 23,178.54 and 10,421.89 is: 14,383.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,794.16 : 23,178.54 = 10,421.89 : x
  2. Step 2: Convert to fraction form
    16,794.16/23,178.54 = 10,421.89/x
  3. Step 3: Cross multiply
    16,794.16x = 23,178.54 × 10,421.89
  4. Step 4: Simplify right side
    16,794.16x = 241,564,194.24
  5. Step 5: Solve for x
    x = 241,564,194.24/16,794.16
  6. Step 6: Final answer
    x = 14,383.82

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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.