Home / 12,411.88-18,626.10-4,621.48

Finding the Fourth Proportional to 12,411.88, 18,626.10 and 4,621.48

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Solution

The fourth proportional to 12,411.88, 18,626.10 and 4,621.48 is: 6,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411.88 : 18,626.10 = 4,621.48 : x
  2. Step 2: Convert to fraction form
    12,411.88/18,626.10 = 4,621.48/x
  3. Step 3: Cross multiply
    12,411.88x = 18,626.10 × 4,621.48
  4. Step 4: Simplify right side
    12,411.88x = 86,080,148.63
  5. Step 5: Solve for x
    x = 86,080,148.63/12,411.88
  6. Step 6: Final answer
    x = 6,935.30

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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.