Home / 25,225.84-37,821.18-11,178.20

Finding the Fourth Proportional to 25,225.84, 37,821.18 and 11,178.20

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Solution

The fourth proportional to 25,225.84, 37,821.18 and 11,178.20 is: 16,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,225.84 : 37,821.18 = 11,178.20 : x
  2. Step 2: Convert to fraction form
    25,225.84/37,821.18 = 11,178.20/x
  3. Step 3: Cross multiply
    25,225.84x = 37,821.18 × 11,178.20
  4. Step 4: Simplify right side
    25,225.84x = 422,772,714.28
  5. Step 5: Solve for x
    x = 422,772,714.28/25,225.84
  6. Step 6: Final answer
    x = 16,759.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.