Home / 22,650.64-31,258.88-12,579.08

Finding the Fourth Proportional to 22,650.64, 31,258.88 and 12,579.08

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Solution

The fourth proportional to 22,650.64, 31,258.88 and 12,579.08 is: 17,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,650.64 : 31,258.88 = 12,579.08 : x
  2. Step 2: Convert to fraction form
    22,650.64/31,258.88 = 12,579.08/x
  3. Step 3: Cross multiply
    22,650.64x = 31,258.88 × 12,579.08
  4. Step 4: Simplify right side
    22,650.64x = 393,207,952.23
  5. Step 5: Solve for x
    x = 393,207,952.23/22,650.64
  6. Step 6: Final answer
    x = 17,359.68

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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.