Home / 15,184.84-22,785.90-12,126.28

Finding the Fourth Proportional to 15,184.84, 22,785.90 and 12,126.28

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Solution

The fourth proportional to 15,184.84, 22,785.90 and 12,126.28 is: 18,196.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.84 : 22,785.90 = 12,126.28 : x
  2. Step 2: Convert to fraction form
    15,184.84/22,785.90 = 12,126.28/x
  3. Step 3: Cross multiply
    15,184.84x = 22,785.90 × 12,126.28
  4. Step 4: Simplify right side
    15,184.84x = 276,308,203.45
  5. Step 5: Solve for x
    x = 276,308,203.45/15,184.84
  6. Step 6: Final answer
    x = 18,196.32

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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.