Home / 22,513.84-31,069.96-12,442.70

Finding the Fourth Proportional to 22,513.84, 31,069.96 and 12,442.70

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Solution

The fourth proportional to 22,513.84, 31,069.96 and 12,442.70 is: 17,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,513.84 : 31,069.96 = 12,442.70 : x
  2. Step 2: Convert to fraction form
    22,513.84/31,069.96 = 12,442.70/x
  3. Step 3: Cross multiply
    22,513.84x = 31,069.96 × 12,442.70
  4. Step 4: Simplify right side
    22,513.84x = 386,594,237.86
  5. Step 5: Solve for x
    x = 386,594,237.86/22,513.84
  6. Step 6: Final answer
    x = 17,171.41

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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.