Home / 22,651.14-31,259.35-12,579.74

Finding the Fourth Proportional to 22,651.14, 31,259.35 and 12,579.74

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Solution

The fourth proportional to 22,651.14, 31,259.35 and 12,579.74 is: 17,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.14 : 31,259.35 = 12,579.74 : x
  2. Step 2: Convert to fraction form
    22,651.14/31,259.35 = 12,579.74/x
  3. Step 3: Cross multiply
    22,651.14x = 31,259.35 × 12,579.74
  4. Step 4: Simplify right side
    22,651.14x = 393,234,495.57
  5. Step 5: Solve for x
    x = 393,234,495.57/22,651.14
  6. Step 6: Final answer
    x = 17,360.47

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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.