Home / 12,417.84-18,620.37-4,621.14

Finding the Fourth Proportional to 12,417.84, 18,620.37 and 4,621.14

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Solution

The fourth proportional to 12,417.84, 18,620.37 and 4,621.14 is: 6,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.84 : 18,620.37 = 4,621.14 : x
  2. Step 2: Convert to fraction form
    12,417.84/18,620.37 = 4,621.14/x
  3. Step 3: Cross multiply
    12,417.84x = 18,620.37 × 4,621.14
  4. Step 4: Simplify right side
    12,417.84x = 86,047,336.62
  5. Step 5: Solve for x
    x = 86,047,336.62/12,417.84
  6. Step 6: Final answer
    x = 6,929.33

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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.