Home / 22,818.32-31,488.36-12,746.60

Finding the Fourth Proportional to 22,818.32, 31,488.36 and 12,746.60

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Solution

The fourth proportional to 22,818.32, 31,488.36 and 12,746.60 is: 17,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.32 : 31,488.36 = 12,746.60 : x
  2. Step 2: Convert to fraction form
    22,818.32/31,488.36 = 12,746.60/x
  3. Step 3: Cross multiply
    22,818.32x = 31,488.36 × 12,746.60
  4. Step 4: Simplify right side
    22,818.32x = 401,369,529.58
  5. Step 5: Solve for x
    x = 401,369,529.58/22,818.32
  6. Step 6: Final answer
    x = 17,589.79

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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.