Home / 16,458.36-22,712.48-8,904.70

Finding the Fourth Proportional to 16,458.36, 22,712.48 and 8,904.70

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Solution

The fourth proportional to 16,458.36, 22,712.48 and 8,904.70 is: 12,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.36 : 22,712.48 = 8,904.70 : x
  2. Step 2: Convert to fraction form
    16,458.36/22,712.48 = 8,904.70/x
  3. Step 3: Cross multiply
    16,458.36x = 22,712.48 × 8,904.70
  4. Step 4: Simplify right side
    16,458.36x = 202,247,662.57
  5. Step 5: Solve for x
    x = 202,247,662.57/16,458.36
  6. Step 6: Final answer
    x = 12,288.45

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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.