Home / 12,277.91-18,424.16-4,880.39

Finding the Fourth Proportional to 12,277.91, 18,424.16 and 4,880.39

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Solution

The fourth proportional to 12,277.91, 18,424.16 and 4,880.39 is: 7,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.91 : 18,424.16 = 4,880.39 : x
  2. Step 2: Convert to fraction form
    12,277.91/18,424.16 = 4,880.39/x
  3. Step 3: Cross multiply
    12,277.91x = 18,424.16 × 4,880.39
  4. Step 4: Simplify right side
    12,277.91x = 89,916,988.00
  5. Step 5: Solve for x
    x = 89,916,988.00/12,277.91
  6. Step 6: Final answer
    x = 7,323.48

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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.