Home / 12,253.96-18,364.74-4,455.28

Finding the Fourth Proportional to 12,253.96, 18,364.74 and 4,455.28

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Solution

The fourth proportional to 12,253.96, 18,364.74 and 4,455.28 is: 6,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.96 : 18,364.74 = 4,455.28 : x
  2. Step 2: Convert to fraction form
    12,253.96/18,364.74 = 4,455.28/x
  3. Step 3: Cross multiply
    12,253.96x = 18,364.74 × 4,455.28
  4. Step 4: Simplify right side
    12,253.96x = 81,820,058.83
  5. Step 5: Solve for x
    x = 81,820,058.83/12,253.96
  6. Step 6: Final answer
    x = 6,677.03

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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.