Home / 22,341.34-30,834.84-12,915.64

Finding the Fourth Proportional to 22,341.34, 30,834.84 and 12,915.64

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Solution

The fourth proportional to 22,341.34, 30,834.84 and 12,915.64 is: 17,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,341.34 : 30,834.84 = 12,915.64 : x
  2. Step 2: Convert to fraction form
    22,341.34/30,834.84 = 12,915.64/x
  3. Step 3: Cross multiply
    22,341.34x = 30,834.84 × 12,915.64
  4. Step 4: Simplify right side
    22,341.34x = 398,251,692.90
  5. Step 5: Solve for x
    x = 398,251,692.90/22,341.34
  6. Step 6: Final answer
    x = 17,825.77

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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.