Home / 16,920.36-23,349.06-9,364.68

Finding the Fourth Proportional to 16,920.36, 23,349.06 and 9,364.68

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Solution

The fourth proportional to 16,920.36, 23,349.06 and 9,364.68 is: 12,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.36 : 23,349.06 = 9,364.68 : x
  2. Step 2: Convert to fraction form
    16,920.36/23,349.06 = 9,364.68/x
  3. Step 3: Cross multiply
    16,920.36x = 23,349.06 × 9,364.68
  4. Step 4: Simplify right side
    16,920.36x = 218,656,475.20
  5. Step 5: Solve for x
    x = 218,656,475.20/16,920.36
  6. Step 6: Final answer
    x = 12,922.68

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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.