Home / 12,755.21-19,127.34-4,962.20

Finding the Fourth Proportional to 12,755.21, 19,127.34 and 4,962.20

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Solution

The fourth proportional to 12,755.21, 19,127.34 and 4,962.20 is: 7,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.21 : 19,127.34 = 4,962.20 : x
  2. Step 2: Convert to fraction form
    12,755.21/19,127.34 = 4,962.20/x
  3. Step 3: Cross multiply
    12,755.21x = 19,127.34 × 4,962.20
  4. Step 4: Simplify right side
    12,755.21x = 94,913,590.91
  5. Step 5: Solve for x
    x = 94,913,590.91/12,755.21
  6. Step 6: Final answer
    x = 7,441.17

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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.